QUICK SHOP New and smart collections
QUICK SHOP New and smart collections
Smartwatch Forerunner 645 GPS Sandstone Grey
Smartwatch Forerunner 645 GPS Sandstone Grey
  • MemoX code: 193572
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Product Datasheet

General

  • Lens Material: chemically strengthened glass
  • 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, Fits wrists with a circumference of 127-204 mm
  • Weight: 41.8g
  • Water rating: 5ATM
  • Display type: sunlight-visible, transflective memory-in-pixel (MIP)
  • Display size: 1.2" (30.4 mm) diameter
  • Display resolution: 240 x 240 pixels
  • Color display: yes
  • 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 traveled
  • Intensity minutes
  • TrueUp™
  • Move IQ™
  • Fitness Age

Fitness Equipment/Gym

  • Preloaded 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
  • Customizable data pages
  • Customizable activity profiles
  • Auto Pause®
  • Interval training
  • Advanced workouts
  • Downloadable training plans
  • Auto Lap®
  • Manual lap
  • Configurable lap alerts
  • V02 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)
  • Customizable 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

  • Preloaded run profiles: 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

  • Preloaded outdoor recreation profiles: Skiing, Snowboarding, XC Skiing, Stand up Paddleboarding, Rowing
  • Point-to-point navigation
  • Bread crumb trail in real time
  • Back to start
  • TracBack®
  • UltraTrac mode
  • Elevation profile
  • Distance to destination
  • Vertical speed
  • Total ascent/descent
  • GPS coordinates

Cycling Features

  • Preloaded 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

  • Preloaded 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