Garmin Forerunner 645 Watch | Sandstone - Sportique
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Garmin Forerunner 645 Watch | Sandstone

Are you looking for a GPS running watch but don’t know which one to get? Let Garmin narrow that list down for you with their Forerunner 645 series. Whether you are a runner or just an outdoor enthusiast, the Sandstone Forerunner is a remarkable watch that packs plenty of features. With advanced running dynamics and monitoring tools, you will receive accurate and reliable data to help track your performance. 

  • 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
  • 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
  • Battery life: Smartwatch Mode: Up to 7 days, GPS mode: Up to 14 hours
  • Memory/History: 200 hours of activity data
  • Model: 010-01863-01
Free shipping on U.S. orders $75+
Flat $4.95 shipping under $75

Worldwide FedEx shipping available - see more in the cart or checkout.

Sales Tax only charged to California. Visit our Shipping Info page for additional information.


Enjoy a full refund within 30 days from your delivery date.

 Free return shipping on exchanges.

*Some restrictions do apply for built-to-order items, or very large items like furniture. For additional details, or to initiate a return, please visit our Returns Page.

**Please note that while we do our best to have the most up to date product imagery, in-line changes will happen with brands and the actual product shipped may differ slightly.

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