Garmin - Forerunner 645 GPS Monitor Running Watch - Sandstone

Garmin Forerunner 645 – GPS Monitor Running Watch (Sandstone, 010-01863-01)

Elevate your training with the Garmin Forerunner 645. This lightweight Sandstone watch combines GPS accuracy, and advanced performance metrics to help runners and athletes fine-tune every workout. With built-in music storage, Garmin Pay™, and up to 280 mAh battery capacity delivering up to 7 days in smartwatch mode (14 hrs GPS), it’s designed for versatility on the road, track, or trail.

Ideal for dedicated runners, triathletes, and fitness enthusiasts who demand detailed workout insights, hands-free payments, and the freedom to train without a phone.

Key Features for Enhanced Usage

• GPS & GLONASS Tracking: Accurate pace, distance, and route data—even in challenging environments.

• Advanced Running Dynamics: Cadence, stride length, ground contact time & balance, vertical ratio for deeper performance analysis.

• Built-In Music Storage: Store up to 500 songs and stream via paired Bluetooth® headphones—no phone needed.

• Garmin Pay™ Contactless Payments: Make secure payments on the go without carrying your wallet.

• Training Status & Load: Automatic evaluation of your recent exercise history to gauge if you’re training productively or need recovery.

• Battery Life & Power Management:

  • Battery Capacity: ≈ 280 mAh

  • Smartwatch Mode: Up to 7 days

  • GPS Mode: Up to 14 hours

• Safety & Tracking: Incident detection and assistance features send your real-time location to emergency contacts.

Product Specifications

• Model Number: 010-01863-01

• Case Size: 42 mm diameter; 13.5 mm thickness

• Display: 1.2 in sunlight-readable, transflective memory-in-pixel (MIP) LCD (240 × 240 px)

• Weight: 42 g (1.48 oz)

• Connectivity: GPS, GLONASS, Bluetooth Smart, ANT+®

• Storage: Approx. 500 songs’ worth of internal storage

• Water Rating: 5 ATM (swim, shower)

• Battery Capacity: ≈ 280 mAh rechargeable lithium-ion

• Battery Life: Up to 7 days smartwatch; up to 14 hrs GPS with music

• Compatibility: Android, iOS via Garmin Connect™ app

• Strap: Quick-release silicone band; fits 127–204 mm wrists

• Release Year: 2018

What’s in the Box

• Garmin Forerunner 645 GPS Watch (Sandstone)

• Charging/Data Cable

• Quick-Start Manual