Vulcanized Rubber strap engineered to fit Panerai 40mm and 42mm cases (22mm lug space) and their OEM 20mm tang buckles. Features "SwimSkin"; our exclusively patented and innovative rubber technology. 

• Although this strap looks and feels identical to alligator hide, it is actually 100% RUBBER, and therefore waterproof for all aquatic activities.
• Made in Switzerland of pure vulcanized rubber. No coatings, blends or bonding.
• Meets FDA and BVGG Specifications: non-toxic, non-marking, non-allergen, does not attract dust.
• STANDARD SIZE ( 6 - 7 7/8 inches or 15 - 20 cm )
• Watch and Buckle NOT included. A 316L Stainless Steel buckle from Rubber B is available for optional purchase below.