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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Leather Pilot Strap
For Garmin Forerunner 645From: $29.99 USD -
Summit Strap
For Garmin Forerunner 645$18.99 USD -
Endurance Strap
For Garmin Forerunner 645$24.99 USD -
Crocodile Pilot Strap
For Garmin Forerunner 645From: $29.99 USD -
Pro Mesh Strap
For Garmin Forerunner 645From: $34.99 USD -
Thick Leather StrapFor Garmin Forerunner 645
$19.99 USD -
Suede Heavy Duty StrapFor Garmin Forerunner 645
$19.99 USD -
Charging Adapter For Garmin Forerunner 645
$19.99 USD