Rubber strap by Rubber B: Fits all Audemars Piguet Royal Oak 41mm and 39mm models that come on leather strap or bracelet. Designed for either the original AP deployant clasp or can be fitted with any 18mm tang buckle (a Rubber B buckle can be purchased separately).
These straps were developed independently by KronoKeeper and is not endorsed by Swatch or Omega