Rubber b RO APC41-BK fits AP case 39 and 41 MM, strap size 25 mm.

 Made from Vulcanized Rubber, it's the ultimate cool watch with the Audemars Piguet Royal Oak (39mm, 41mm leather strap only).

 This rubber strap is perfectly calibrated to mount the Rose Gold Royal Oak and AP Deployant buckle*. "Blocked Integration" engineering and titanium bridge inserts provide a flawless, secure, and flush mount to the AP watch case.

 
 Designed to mount the customer's factory Audemars Piguet buckle featured in the alternate view images (this strap does not come with a buckle). Note: Rubber B is not affiliated with Audemars Piguet Holding, SA.
 
 NOT compatible with models which come on metal bracelet (only leather strap models are compatible).
 
 Made in Switzerland of pure vulcanized rubber. No coating, blends, glues or bonding.
 
 Meets FDA and BVGG specifications: non-toxic, non-marking, non-allergen. It does not attract dust.
 
 Universal fit for wrist sizes XS-XL ( 6.5 - 8.5 inches )
 
 Watch and Buckle not included.