17MM 18MM 19MM 20MM 21MM 22MM 23MM 24MM 26MM. 24mm Lug Width with 20mm Buckle Width (24/20mm Strap). This strap is made of FKM silicone rubber, designed for flexibility, comfort, and durability. It is waterproof, dust and lint resistant, and easy to clean, ideal for swimming or gym use.
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