Vulcanized Rubber strap engineered to fit the Audemars Piguet Royal Oak 42mm case and your AP tang style buckle* (or see other buckle options below). NOTE: This strap is NOT compatible with 44mm models. 

• Although this strap looks and feels identical to sailcloth, 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 1/2 - 7 7/8 inches or 16 - 20 cm )
• Watch and buckle NOT included. The Rubber B Tang Buckle is available for purchase below. 
• FOR 42MM Diver model: You will need to purchase a 20mm tang buckle from AP or from this page, as your model comes originally with a larger buckle than all other models in this catagory.