| Colour Options | Black, Cerise |
|---|---|
| Type | Music, non music |
Garmin Forerunner 645 / 645 Music
€359.00 – €410.00
General |
|
| Lens material | Corning® Gorilla® Glass 3 |
|---|---|
| Bezel material | Stainless steel |
| Quick Release Bands | yes (20 mm, Industry standard) |
| Strap material | Silicone |
| Physical size | 42.5 x 42.5 x 13.5 mm |
| Weight | 42.2 g |
| Water rating | 5 ATM |
| Display type | Sunlight-visible, transflective memory-in-pixel (MIP) |
| Display size | 1.2″ (30.4 mm) diameter |
| Display resolution | 240 x 240 pixels |
| Colour display | |
| Battery life | Smartwatch Mode: Up to 7 days GPS mode: Up to 14 hours |
| Memory/history | 200 hours of activity data |
Clock features |
|
| Time/date | |
|---|---|
| GPS time sync | |
| Automatic daylight saving time | |
| Alarm clock | |
| Timer | |
| Stopwatch | |
| Sunrise/sunset times | |
Sensors |
|
| GPS | |
|---|---|
| GLONASS | |
| Garmin Elevate™ wrist heart rate monitor | |
| Barometric altimeter | |
| Compass | |
| Gyroscope | |
| Accelerometer | |
| Thermometer | |
Daily smart features |
|
| Connectivity | Bluetooth®, ANT+®, Wi-Fi® |
|---|---|
| Connect IQ™ (downloadable watch faces, data fields, widgets and apps) | |
| Smart notifications | |
| Text response/reject phone call with text (Android™only) | |
| Calendar | |
| Weather | |
| Controls smartphone music | |
| Find my phone | |
| Find my watch | |
| VIRB® camera remote | |
| Smartphone compatibility | iPhone® and Android™ |
| Compatible with Garmin Connect™ Mobile | |
| Garmin Pay™ | |
Activity tracking features |
|
| Step counter | |
|---|---|
| Move bar (displays on device after a period of inactivity; walk for a couple of minutes to reset it) | |
| Auto goal (learns your activity level and assigns a daily step goal) | |
| Sleep monitoring (monitors total sleep and periods of movement or restful sleep) | |
| Calories burned | |
| Floors climbed | |
| Distance travelled | |
| Intensity minutes | |
| TrueUp™ | |
| Move IQ™ | |
| Fitness age | Yes (in app) |
| All-day stress tracking | |
Fitness equipment/gym |
|
| Available gym activity profiles | Strength Training, Cardio Training, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing and Yoga |
|---|---|
| Cardio workouts | |
| Strength workouts | |
| Automatic rep counting | |
Training, planning and analysis features |
|
| GPS speed and distance | |
|---|---|
| Customisable screen(s) | |
| Customisable activity profiles | |
| Auto Pause® | |
| Interval training | |
| Advanced workouts | |
| Downloadable training plans | |
| Auto Lap® | |
| Manual lap | |
| Configurable lap alerts | |
| VO2 max | |
| Training status (lets you see if you’re training effectively by tracking your training history and fitness level trend) | |
| Training load (your total training load for the last 7 days calculated from estimated EPOC) | |
| Training effect (aerobic) | |
| Training effect (anaerobic) | |
| Customisable alerts | |
| Audio prompts | |
| Finish time | |
| Virtual partner | |
| Race an activity | |
| Course guidance | |
| Segments (Live, Garmin) | |
| Strava features (Beacon, live segments) | |
| LiveTrack | |
| Touch and/or button lock | |
| Auto scroll | |
| Activity history on watch | |
Heart rate features |
|
| HR zones | |
|---|---|
| HR alerts | |
| HR calories | |
| % HR max | |
| % HRR | |
| Recovery time | |
| Auto max HR | |
| HR broadcast (broadcasts HR data over ANT+™ to paired devices) | |
Running features |
|
| Available run profiles | yes (Running, Treadmill Running, Indoor Track) |
|---|---|
| GPS-based distance, time and pace | |
| Running dynamics | |
| Cadence (provides real-time number of steps per minute) | |
| Performance condition (after running 6–20 minutes, compares your real-time condition to your average fitness level) | |
| Run workouts | |
| Race predictor | |
| Foot pod capable | |
Outdoor recreation features |
|
| Available outdoor recreation profiles | Skiing, Snowboarding, XC Skiing, Stand up Paddleboarding, Rowing |
|---|---|
| Point-to-point navigation | |
| Bread crumbtrail in real time | |
| Back to start | |
| TracBack® | |
| UltraTrac mode | |
| Elevation profile | |
| Distance to destination | |
| Vertical speed | |
| Total ascent/descent | |
| GPS coordinates | |
Cycling features |
|
| Available cycling profiles | Biking, Indoor Biking |
|---|---|
| Courses | |
| Race an activity | |
| Time/distance alerts (triggers alarm when you reach goal) | |
| Compatible with Varia Vision™ (head-mounted display) | |
| Compatible with Varia™ radar (rear-facing radar) | |
| Compatible with Varia™ lights | |
| Speed and cadence sensor support (with sensor) | yes (ANT+® and Bluetooth® Smart) |
Swimming features |
|
| Available swim profiles | Pool Swimming |
|---|---|
| Pool swim metrics (lengths, distance, pace, stroke count/rate, calories) | |
| Stroke type detection (freestyle, backstroke, breaststroke, butterfly) | |
| Swim efficiency (SWOLF) | |
| Drill logging | |
| Pool swim workouts | |
Additional information
