Garmin Forerunner 645 Running Watch - Black Band
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- Official warranty
- Fast delivery
- 14-day returns
- Expert support
Warranty & returns
Every product comes with the official manufacturer warranty. Unused items can be returned within 14 days.
Product details
Everyday Running Performance, Streamlined
The Forerunner 645 pairs a stainless steel bezel with Corning Gorilla Glass 3 over its 1.2" sunlight-visible display, finished with a black silicone band. GPS, GLONASS, and Galileo positioning support running dynamics and training status monitoring for structured training blocks.
Garmin Pay Ready contactless payments and wrist-based heart rate keep everyday convenience close at hand, while women's health tracking and performance metrics round out a full training picture. Bluetooth, ANT+, and Wi-Fi keep it connected for syncing and updates.
At 42.2g and rated to 5 ATM, it's comfortable for daily wear and swim-capable for cross-training, with LiveTrack and incident detection adding a layer of safety to solo runs, plus 200 hours of activity storage.
- Running dynamics: Advanced performance and training status metrics
- Garmin Pay Ready: Contactless payments from the wrist
- Stainless steel bezel: Corning Gorilla Glass 3 lens
- Safety tracking: LiveTrack and incident detection
- Women's health tracking: Cycle and pregnancy insights
- Swim-capable: 5 ATM water rating
Specifications
- Case size: 42.5 x 42.5 x 13.5mm, stainless steel bezel; weight 42.2g
- Display: 1.2" (30.4mm) color display, 240x240 pixels, Gorilla Glass 3
- Battery life: Up to 7 days smartwatch; 14 hours GPS mode; 200 hours activity storage
- Water rating: 5 ATM
- Connectivity: Bluetooth, ANT+, Wi-Fi
- Positioning: GPS, GLONASS, Galileo
- Sensors: Garmin Elevate wrist HR, barometric altimeter, compass, gyroscope, accelerometer, thermometer
- Strap: Black silicone, 20mm quick-release