Watch Strap - material: leather, for wrist circumference up to 204mm, compatible with Garmin Approach S40 , Garmin Forerunner, Garmin Forerunner 245, Garmin Forerunner 645, Garmin Quick Release 20 , Garmin Vívoactive, Garmin Vívoactive 3, Garmin Vívomove and Garmin Vívomove Optic