Garmin Black Forerunner 645 GPS Fitness Watch

 Garmin Black Forerunner 645 GPS Fitness Watch

The Garmin Black Forerunner 645 GPS Fitness Watch is the ultimate companion for fitness enthusiasts. It features advanced running dynamics, including ground contact time balance, stride length, vertical ratio and more. It offers Garmin Connect that automatically uploads data for live tracking, audio prompts, smart notifications and social media sharing.

Features

• Garmin Pay contactless payment solution lets you make convenient payments with your watch, so you can leave your cash and cards at home
• Provides advanced running dynamics, including ground contact time balance, stride length, vertical ratio and more
• Uses wrist-based heart rate to offer performance monitoring features, including evaluating your current training status
• Connected features include smart notifications, automatic uploads to Garmin Connect and the ability for others to track your runs with the LiveTrack feature
• Customize with free watch faces, apps and more from our Connect IQ store
• Battery life up to 7 days in smartwatch mode; 14 hours in GPS mode

Specifications

General

Lens material: Chemically strengthened glass
Strap material: Stainless steel
Physical size: 42.5 x 42.5 x 13.5 mm
Weight: 41.8 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
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

Time/date: Yes
GPS time sync: Yes
Automatic daylight saving time: Yes
Alarm clock: Yes
Stopwatch: Yes
Sunrise/sunset times: Yes

Sensors

GPS: Yes
GLONASS: Yes
Garmin Elevate wrist heart rate monitor: Yes
Barometric altimeter: Yes
Compass: Yes
Gyroscope: Yes
Accelerometer: Yes
Thermometer: Yes

Daily smart

Connectivity: Yes
Connect IQ (downloadable watch faces, data fields, widgets and apps): Yes
Smart notifications: Yes
Calendar: Yes
Weather: Yes
Controls smartphone music: Yes
Find My Phone: Yes
VIRB Camera Remote: Yes
Smartphone compatibility: iPhone, Android
Compatible with Garmin Connect Mobile: Yes
Garmin Pay: Yes

Activity tracking

Step counter: Yes
Move bar (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
Sleep monitoring (monitors total sleep and periods of movement or restful sleep): Yes
Calories burned: Yes
Distance travelled: Yes
Intensity minutes: Yes
TrueUp: Yes
Move IQ: Yes
Fitness Age: Yes (in app)
All-day Stress Tracking: Yes

Training, planning and analysis

GPS speed and distance: Yes
Customizable data pages: Yes
Customizable activity profiles: Yes
Auto Pause: Yes
Interval training: Yes
Advanced workouts: Yes
Downloadable training plans: Yes
Auto Lap: Yes
Manual lap: Yes
Configurable lap alerts: Yes
V02 max: Yes
Training Effect (aerobic): Yes
Customizable alerts: Yes
Audio prompts: Yes
Finish time: Yes
Virtual Partner: Yes
Race an Activity: Yes
Auto multisport activities: Yes
Manual multisport activities: Yes
Course guidance: Yes
Segments (Live, Garmin): Yes
Strava features (Beacon, live segments): Yes
LiveTrack: Yes
Touch and/or button lock: Yes
Auto scroll: Yes
Activity history on watch: Yes