Garmin Forerunner 645 has 20mm lugs and is compatible with 20mm bands.
You can shop our entire collection of 20mm bands for Garmin Forerunner 645 with the link below.
Featured Products
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Summit Strap
For Garmin Forerunner 645$18.99 USD -
Endurance Strap
For Garmin Forerunner 645$24.99 USD -
Italian Leather Strap
For Garmin Forerunner 645$29.99 USD -
ColorBlock Endurance Strap
For Garmin Forerunner 645$19.99 USD -
Active Band
For Garmin Forerunner 645$24.99 USD -
Pro Seatbelt Strap
For Garmin Forerunner 645$29.99 USD -
Pro Mesh Strap
For Garmin Forerunner 645From: $34.99 USD -
Thick Leather StrapFor Garmin Forerunner 645
$19.99 USD