
Fenix 8 43mm Smartwatch
Estimated delivery between 14 July and 16 July.
All products are dispatched from Ireland.
In stock - Ready to be shipped
The Fenix 8 43mm Smartwatch delivers professional-grade performance in a compact 43mm design. Engineered with advanced strength training analytics, full dive functionality, and integrated voice command capabilities via built-in speaker and microphone. The integrated LED flashlight provides practical utility in low-light conditions, while the streamlined form factor accommodates smaller wrists without compromising on the robust feature set demanded by elite athletes and outdoor enthusiasts.
We offer FREE delivery on all orders over €100 (excluding overweight items*) to the Republic of Ireland and Northern Ireland. For any order below this value, we charge a small delivery fee of €5 per delivery. Exceptions apply. Read more here.
Returns are free to our stores in Dublin Carrickmines, Dublin Blanchardstown and Cork City Centre. Read more about our return process here.
BE LIMITLESS
For serious athletes and adventurers who want to push beyond their limits, this premium sports GPS smartwatch is built to perform — with advanced strength training features, dive capability, an internal speaker and mic for voice features, a built-in LED flashlight and up to 28 days of battery life with the Power Sapphire™ solar charging lens.
POWER SAPPHIRE SOLAR CHARGING LENS FOR LONG BATTERY LIFE
UP TO 28 DAYS OF BATTERY LIFE IN SMARTWATCH MODE
SPEAKER AND MICROPHONE FOR VOICE MESSAGING AND CONTROL
BRIGHT BUILT-IN LED FLASHLIGHT
SPORT-SPECIFIC STRENGTH WORKOUTS
24/7 HEALTH AND WELLNESS FEATURES
What You'll Love

RUGGED BY DESIGN
Built to endure, this premium design is dive-rated and features leakproof buttons, a metal sensor guard cover and always-on 1.3 solar charged display with scratch-resistant sapphire lens and titanium bezel. It’s tested to U.S. military standards for thermal, shock and water resistance.

BUILT-IN SPEAKER AND MICROPHONE
Make and take phone calls from your sports watch when it’s paired to your smartphone. Plus, control watch functions with off-grid voice commands — or use your smartphone’s voice assistant to respond to text messages and more.

BUILT-IN LED FLASHLIGHT
A true integrated flashlight with variable light intensities and a red safety light gives you greater awareness in the dark, providing convenient illumination when you need it. Strobe mode can even match your running cadence.

GARMIN COACH
Prepare for your next race, train for a milestone, or simply improve your fitness with Garmin Coach adaptive or prebuilt running, cycling or strength training plans. For more personalised workouts, select plans even adapt based on your performance and health metrics.

KNOWLEDGE IS POWER
Begin each day with a customisable morning report offering a summary of health and wellness information. Use the training readiness feature, which looks at a variety of health metrics, to maximise your training efficiency and recovery — to help prevent burnout.

ENHANCED MAP NAVIGATION
A dynamic round-trip routing feature lets you enter how far you want to go — and get suggested routes that will guide you back on time. You can also view terrain contours on TopoActive maps and access preloaded maps for golf courses and ski resorts around the world.
Unleash a Stronger You
ENDURANCE SCORE
Using your VO2 max, training loads and other factors, this feature helps gauge your ability to sustain prolonged effort.
VISUAL RACE PREDICTOR
Get an estimate of what your pace could be for a 5K, 10K, half-marathon and marathon.
PACEPRO™ TECHNOLOGY
Plan race-day strategy with GPS-based pace guidance for a selected course or distance.
CLIMBPRO FEATURE
See real-time information on your current and upcoming climbs on downloaded courses.
GRADE-ADJUSTED PACE
Get your equivalent running pace at the same effort on flat ground or when ascending.
TRAINING READINESS
Get a readiness score based on your sleep quality, recovery, training load and more.
TRAINING STATUS
Gain insight into whether you’re training productively, peaking or strained.
PERFORMANCE METRICS
Gauge your performance with advanced training metrics such as VO2 max and training load.
MULTISPORT AUTO TRANSITION
This feature detects sport changes between swim, bike and run automatically.
HILL SCORE
Measure your capability for running uphill and evaluate your progress over time.
DAILY SUGGESTED WORKOUTS
View a week of suggested workouts that adapt after each run or ride.
RECOVERY TIME
Know how long you need to recover before your next high-effort workout.
RACE WIDGET
Get training tips and personalised workouts to help you prepare for your next race.
WRIST-BASED RUNNING DYNAMICS
View running metrics like cadence, stride length, and ground contact time.
GARMIN COACH
Train for your next race or fitness goal with adaptive or prebuilt workout plans.
Activities and Functions
Use preloaded activity profiles to get data and insight from your active pursuits. Even track team sport activities such as football, racquet sports and more.
A 40-metre dive rating and leakproof metal buttons let you reach new depths with support for scuba and apnea dive activities.
Track your HIIT workouts, including AMRAP, EMOM, Tabata or custom workouts.
Follow animated workouts for cardio, strength, yoga and pilates on the watch screen.
Get ascent and descent data along with metrics such as cadence, stride length and grade.
Measure exercise load when paired with a compatible heart rate monitor (sold separately).
Record waves surfed, maximum speed reached, distance travelled and more with Surfline Sessions™ video capture.
Track the details of your ride with specialised Grit® and Flow™ measurements for MTB performance.
Find Your Way
Subscribe to Outdoor Maps+ for premium mapping content like satellite imagery and enhanced topographic maps, downloaded directly to your watch.
Get superior positioning accuracy with multi-band GPS while optimising battery life.
Navigate your next trail with an altimeter, barometer, and 3-axis electronic compass.
Download TopoActive maps from around the world using Wi-Fi. Easily update maps without a computer.
Navigate with ease by seeing the distance to the next intersection and trail name at a glance.
Stay aware of upcoming POI checkpoints, like aid stations, during races or adventures.
Create or sync courses and follow them with turn-by-turn directions on your device.
Access run names and difficulty ratings for over 2,000 ski resorts around the globe.
Get full-colour maps for more than 43,000 preloaded golf courses worldwide.
Health Features
Get a customisable overview of your sleep, training outlook, HRV status, weather and more as soon as you wake up.
Gain a better understanding of your overall health, recovery and training performance while you sleep.
This watch constantly samples your heart rate to help you gauge how hard you work during activities.
The ECG app records electrical signals to detect signs of an irregular heart rhythm like atrial fibrillation (AFib).
Track your blood oxygen saturation while awake or asleep, and see how you adapt to altitude.
Get a sleep score and personalised coaching. Track sleep stages and get tips to improve sleep quality.
Automatically track or log naps and see recommendations on ideal duration and timing.
Minimise jet lag with guidance on light exposure, sleep schedules and exercise timing.
Track your body’s energy levels to identify the best times for activity and rest.
Monitor whether you're experiencing a calm, balanced or stressful day.
Record a 2-minute health snapshot and generate a shareable report of your key metrics.
Track how you breathe throughout the day and while sleeping.
Log your fluid intake to stay on top of your daily hydration goals.
See how your body is coping with elevation or heat using your health metrics.
Track your menstrual cycle or pregnancy and receive exercise and nutrition tips.
Connected Features
See your health and fitness information, connect with friends and more.
Communicate via two-way text messaging on your wrist.
Receive emails, texts and alerts on your smartwatch when paired with your smartphone.
Download songs and playlists from Spotify, Deezer or Amazon Music. Use wireless headphones for phone-free listening.
Use contactless payments with compatible providers at checkout lines or transit systems.
Easily share saved locations, courses and workouts with friends using compatible Garmin devices.
If you feel unsafe or an incident is detected, your watch will send a message with your live location.
Keep track of up to 50 of your favourite stocks right from your wrist.
Add watch faces, data fields and apps directly from your paired smartphone.
View how different settings and sensors affect your smartwatch's battery life.
What You'll Love
Sleep Score and Insights | Yes |
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Battery life (smartwatch mode) | Up to 10 days (4 days always-on) |
Built-in mapping | Yes |
Pulse Ox Blood Oxygen Saturation | Yes |
LED flashlight | Yes |
Garmin Pay™ | Yes |
Multi-band GPS | Yes |
Music storage | Yes |
Make calls and send texts via voice | Yes |
Training Readiness | Yes |
Training Status | Yes |
Watch display type | AMOLED |
Touchscreen | Yes |
Water rating | 10 ATM |
General
Strap material | Silicone |
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Lens material | Corning® Gorilla® Glass or sapphire crystal |
Bezel material | Stainless steel or titanium |
Case material | Fibre-reinforced polymer with metal rear cover |
QuickFit™ watch band compatible | Included (20 mm) |
Physical size | 43 x 43 x 13.8 mm Fits wrists with the following circumference: Silicone band: 108–182 mm UltraFit band: 108–189 mm Suede band: 108–175 mm Metal band: 108–180 mm |
Weight | Stainless Steel: 66 g (case only: 50 g) Titanium: 60 g (case only: 44 g) |
Leakproof inductive buttons | Yes |
Built-in speaker/microphone | Yes |
Display Size | 33 mm (1.3”) diameter |
Display Resolution | 416 x 416 pixels |
Colour display | Yes |
Large font option | Yes |
Battery type | Lithium ion |
Battery life | Smartwatch: Up to 10 days (4 days always-on) Battery saver watch mode: Up to 15 days GPS Only: Up to 28 hours (22 hours always-on) All Satellite Systems: Up to 23 hours (18 hours always-on) All Satellite Systems + Multi-band: Up to 21 hours (16 hours always-on)* All Satellite Systems + Music: Up to 6 hours Max Battery GPS: Up to 49 hours Expedition GPS: Up to 10 days *Assuming typical use with SatIQ technology |
Charging method | Garmin proprietary plug charger |
Memory/history | 32 GB |
Clock features
Time/date | Yes |
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GPS time sync | Yes |
Automatic daylight saving time | Yes |
Alarm clock | Yes |
Timer | Yes |
Stopwatch | Yes |
Sunrise/sunset times | Yes |
Health & Wellness Monitoring
Wrist-based heart rate (constant, every second) | Yes |
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Resting heart rate | Yes |
Abnormal Heart Rate Alerts | Yes (high and low) |
Respiration Rate | Yes |
Fitness Age | Yes |
Body Battery™ Energy Monitor | Yes |
All-day Stress | Yes |
Relaxation Breathing Timer | Yes |
Meditation | Yes |
Breathwork | Yes |
Sleep | Yes (Advanced) |
Sleep coach | Yes |
Breathing variations | Yes |
Nap detection | Yes |
Hydration | Yes (in Garmin Connect™ and optional Connect IQ™ widget) |
Women's Health | Yes (in Garmin Connect™ and optional Connect IQ™ widget) |
Health Snapshot | Yes |
Skin temperature | Yes |
JET LAG ADVISER | Yes |
Sensors
GPS | Yes |
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GLONASS | Yes |
Galileo | Yes |
QZSS | Yes |
BeiDou | Yes |
SatIQ™ Technology | Yes |
Garmin Elevate™ wrist heart rate monitor | Yes |
Pulse Ox Blood Oxygen Saturation Monitor | Yes |
Barometric altimeter | Yes |
Compass | Yes |
Gyroscope | Yes |
Accelerometer | Yes |
Thermometer | Yes |
Ambient light sensor | Yes |
Depth sensor | Yes (to 40 m) |
Daily smart features
Connectivity | Bluetooth®, ANT+®, Wi-Fi® |
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Connect IQ™ (downloadable watch faces, data fields, widgets and apps) | Yes |
On-device Connect IQ™ Store | Yes |
Smart Notifications | Yes |
Text response/reject phone call with text (Android™ only) | Yes |
View images from notifications on watch (Android™ only) | Yes |
Morning report | Yes |
Calendar | Yes |
Weather forecasts | Yes |
Realtime settings sync with Garmin Connect™ mobile | Yes |
Battery Saver - customisable low power watch | Yes |
Controls smartphone music | Yes |
Plays and controls watch music | Yes |
Find my phone | Yes |
Find my watch | Yes |
Find My Phone during GPS activity | Yes |
Compatible with Garmin Messenger app | Yes |
Smart trainer control | Yes |
Compatible with Garmin Connect™ Mobile | Yes |
Smartphone compatibility | iPhone®, Android™ |
Stocks | Yes |
BLUETOOTH phone calling and voice assistant support | Yes |
Voice command | Yes |
Red shift mode | Yes |
Garmin Share | Yes |
Passcode | Yes |
Workout and Training Plans
Daily Suggested Workout - Running | Yes |
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Daily Suggested Workout - Cycling | Yes |
Daily Suggested Workout - Walking | Yes |
Garmin Running Coach | Yes |
Garmin Running Coach Experts | Yes |
Garmin Cycling Coach | Yes |
Garmin Coach - Prebuilt Cycling Plans | Yes |
Garmin Coach - Strength | Yes |
Cardio workouts | Yes |
Strength workouts | Yes |
HIIT workouts | Yes |
Yoga workouts | Yes |
Pilates workouts | Yes |
On-screen workout animations | Yes |
On-Screen Workout Muscle Map | Yes |
Activity Profiles
Gym | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor rowing, Jump Roping |
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Multisport | Swimming/Running, Triathlon |
Wellness | Walking, Indoor Walking, Pilates, Yoga |
Indoor Running | Treadmill Running, Indoor Track Running, Virtual Running |
Outdoor Running | Running, Outdoor Track Running, Trail Running, Ultra Running, Obstacle Racing |
Outdoor Recreation | Hiking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding, Golfing, Disc Golf, Archery |
Cycling | Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, BMX |
Swim | Pool Swimming, Open Water Swimming |
On the Water | Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating, Sailing, Water Skiing, Wakeboarding, Wakesurfing, Tubing, Snorkeling, Whitewater |
Motor Sports | Motorcycling, Overlanding, Motocrossing, ATVing, Snowmobiling |
Racket Sports | Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball |
Snow & Winter | Skiing, Snowboarding, Backcountry Snowboarding, XC Classic Skiing, XC Skate Skiing, Backcountry Skiing, Ice Skating, Snowshoeing |
Sport Profiles | Basketball, Volleyball, Field Hockey, Ice Hockey, Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball |
In the Ring | Boxing, Mixed Martial Arts |
Dive | Scuba Diving (single gas), Apnea Diving, Depth App |
Other Activity Profiles | Inline Skating |
Safety and Tracking Features
Incident Detection during select activities | Yes |
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Incident detection alert on phone for wearables | Yes |
Assistance | Yes |
LiveTrack | Yes |
Group LiveTrack | Yes |
Live Event Sharing | Yes |
Tactical Features
Dual grid coordinates | Yes |
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Diving features
Dive activity maximum operating depth | 40 metres |
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Single-gas mode | Yes |
APNOEA mode | Yes |
Decompression model | Bühlmann ZHL-16c with gradient factors |
Nitrox support | Yes |
Gas mixes | Air, Nitrox (21–40% Oxygen) |
PO₂ | Up to 1.6 with customisable Deco settings |
Auto start/end dive | Yes |
Custom end-dive timeout | Yes (20 sec to 10 min) |
Safety Stop | Yes (customisable off/3 min/5 min) |
Deep Stops | Yes (using custom gradient factors) |
Customisable conservatism | Yes (Low/Medium/High) |
Dive ascent/descent rate indicator | Yes |
Automatic altitude adjustment | Yes |
No fly time | Yes |
Dive planner | Yes (Basic NDL & Gas Planner) |
Tides | Yes |
Backlight | Yes (configurable intensity; always on) |
Automatically saves dive entry and exit locations | Yes |
Sync dive log to Garmin Dive™ Mobile app | Yes |
Alerts & alarms | Yes (vibration only) |
3-axis dive compass | Yes with adjustable heading, quick change to 90 R, 90 L, and Reciprocal. Indicates degrees and direction back to set heading. |
Missed Deco Lockout | Yes (can be disabled prior to dive with user acknowledgement) |
Surface diver status widget | Yes (Surface Interval, no fly time, N₂ loading, CNS, OTU, and Tissue Compartment status) |
Boating features
Wearable trolling motor remote | Yes |
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Activity tracking features
Step counter | Yes |
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Move alerts (displays on device after a period of inactivity; walk for a couple of minutes to reset it) | Yes |
Auto goal (learns your activity level and assigns a daily step goal) | Yes |
Calories Burned | Yes |
Floors climbed | Yes |
Distance travelled | Yes |
Intensity minutes | Yes |
TrueUp™ | Yes |
Move IQ™ | Yes |
Garmin Connect™ Challenges app | Yes (optional Connect IQ app) |
Automatic rep counting | Yes |
Training, planning and analysis features
Customisable screen(s) | Yes |
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Downloadable training plans | Yes |
Course guidance | Yes |
HR Zones | Yes |
HR Alerts | Yes |
HR Calories | Yes |
% HR Max | Yes |
% HRR | Yes |
Recovery Time | Yes |
Auto Max HR | Yes |
Race glance/widget | Yes |
HRV Status | Yes |
HRV stress test (measures your heart rate variability while standing still, for 3 minutes, to provide you with an estimated stress level; the scale of this is 1 to 100; low scores indicate lower stress levels) | Yes (with compatible accessory) |
HR Broadcast (broadcasts HR data over ANT+® to paired devices) | Yes |
Respiration Rate (During Exercise) | Yes (with compatible accessory) |
GPS speed and distance | Yes |
Customisable activity profiles | Yes |
Auto Pause® automatic timer halt | Yes |
Interval training | Yes |
Improved interval (includes open repeats, intervals data page, rest screen and auto detection) | Yes |
Advanced workouts | Yes |
Power Modes – customisable in-activity battery settings | Yes |
HRM running pace and distance | Yes |
Auto Lap® | Yes |
Manual lap | Yes |
Rest timer | Yes |
Configurable lap alerts | Yes |
Heat and Altitude Acclimation | Yes |
VO₂ Max (Run) | Yes |
VO₂ Max (Trail Run) | Yes |
Realtime Stamina | Yes |
ENDURANCE SCORE | Yes |
Load ratio | Yes |
Training Load | Yes |
Training load focus | Yes |
Training Effect | Yes |
Training Effect (Anaerobic) | Yes |
Primary benefit (Training Effect labels) | Yes |
Workout benefit | Yes |
Customisable alerts | Yes |
Voice alerts | Yes |
Multisport auto transition | Yes |
Finish time | Yes |
Virtual partner | Yes |
Race an activity | Yes |
Auto multisport activities | Yes |
Multi-sport | Yes |
Garmin Live Segments | Yes |
Strava Live Segments | Yes |
Round-trip course creator (running/cycling) | Yes |
Trendline™ Popularity Routing | Yes |
Touch and/or button lock | Yes |
Shortcuts | Yes |
Auto scroll | Yes |
Activity history on watch | Yes |
Physio TrueUp | Yes |
Unified Training Status | Yes |
Running features
GPS-based distance, time and pace | Yes |
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Running dynamics | Yes |
Vertical oscillation and ratio | Yes |
Ground contact time and balance | Yes (GCT balance with accessory) |
Stride length (real time) | Yes |
Cadence (provides real-time number of steps per minute) | Yes |
Running power | Yes |
Grade-adjusted pace | Yes |
Performance condition | Yes |
Lactate threshold | Yes (with compatible accessory) |
PacePro™ Pacing Strategies | Yes |
Run workouts | Yes |
HILL SCORE | Yes |
Trail run auto climb | Yes |
Race predictor | Yes |
Course- and weather-specific race predictor | Yes |
Foot pod capable | Yes |
Run/Walk/Stand detection | Yes |
Golfing features
Preloaded with 43,000 courses worldwide | Yes |
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Yardage to F/M/B (distance to front, middle and back of green) | Yes |
Yardage to layups/doglegs | Yes |
Measures shot distance (calculates exact yardage for shots from anywhere on course) | Automatic |
Digital scorecard | Yes |
Custom targets | Yes |
Stat tracking (strokes, putts per round, greens and fairways hit) | Yes |
Garmin AutoShot™ | Yes |
Full vector map | Yes |
Auto CourseView updates | Yes |
Green View with manual pin position | Yes |
Hazards and course targets | Yes |
PinPointer | Yes |
PlaysLike distance | Yes |
Touch-targeting (touch target on display to see the distance to any point) | Yes |
Handicap scoring | Yes |
Swing Tempo | Yes |
Tempo Training | Yes |
Round timer/odometer | Yes |
Automatic club tracking compatible (requires accessory) | Yes |
Wind speed and direction (requires connection to the golf app) | Yes |
VIRTUAL CADDIE | Yes |
Pairs with Garmin Golf app | Yes |
Tournament legal | Yes |
Green Contours (with Garmin Golf membership) | Yes |
Outdoor recreation
Point-to-point navigation | Yes |
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Bread crumbtrail in real time | Yes |
Back to start | Yes |
TracBack® | Yes |
UltraTrac mode | Yes |
Explore Nearby | Yes |
Up Ahead | Yes |
NextFork™ navigation | Yes |
Elevation profile | Yes |
Distance to destination | Yes |
Barometric trend indicator with storm alert | Yes |
ClimbPro™ Ascent Planner | Yes |
Vertical speed | Yes |
Total ascent/descent | Yes |
Rest Timer (Ultra Run only) | Yes |
Auto Rest | Yes |
Future elevation plot | Yes |
Preloaded road and trail maps | Yes (Sapphire Editions only) |
Preloaded ski resort maps | Yes |
Downloadable cartography support | Yes |
GPS coordinates | Yes |
Sight 'N Go | Yes |
Area calculation | Yes (via Connect IQ™) |
Fish forecast | Yes |
Projected waypoint | Yes |
Sun and moon information | Yes |
Expedition GPS Activity | Yes |
Tides | Yes |
Tides Glance | Yes |
Cycling features
Courses | Yes |
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Bike lap and lap maximum power (with power sensor) | Yes |
Race an activity | Yes |
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) | Yes |
FTP (Functional Threshold Power) | Yes (with compatible accessory) |
Power curve and % FTP workouts | Yes |
Garmin cycle map (routable cycling-specific street map) | Yes |
MTB Grit & Flow | Yes |
Advanced cycling dynamics | Yes |
Compatible with Vector™ and Rally™ (power meters) | Yes |
Compatible with Varia Vision™ (head-mounted display) | Yes |
Compatible with Varia™ radar (rear-facing radar) | Yes |
Compatible with Varia™ lights | Yes |
Compatible with Varia headlight camera | Yes |
Speed and cadence sensor support (w/sensor) | Yes |
Power meter compatible | Yes |
Power guide | Yes |
Swimming features
Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories) | Yes |
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Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) | Yes |
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) | Yes |
Drill logging (pool swim only) | Yes |
Basic rest timer (up from 0) (pool swim only) | Yes |
“Repeat on” rest timer (pool swim only) | Yes |
Auto rest (pool swim only) | Yes |
Time and distance alerts | Yes |
Pacing alerts (pool swim only) | Yes |
Countdown start | Yes |
Pool swim workouts | Yes |
Critical swim speed | Yes |
Underwater wrist-based heart rate | Yes |
Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim) | Yes (with HRM-Tri, HRM-Swim, HRM-Pro or HRM-Pro Plus) |
Kid activity tracking features
Toe-to-Toe™ Challenges app | Yes (optional Connect IQ Toe-to-Toe™ Challenges app) |
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Security Information
Security updates until at least (YYYY-MM-DD) | 2026-08-27 |
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This is included with your Garmin Fenix 8 43mm Smartwatch
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