Audemars Piguet Royal Oak Offshore Men’s Watch 44MM White Gold Gray Rubber 26417BC. 100 m (10 ATM). Audemars Piguets Royal Oak Offshore highlights the white tapisserie octagonal dial. The 44 mm white gold case is assembled with a matching bezel, a chronograph and date, and is limited edition to 50 pieces. Powered by the automatic 3126/3840 calibre, this timepiece has a 50-hour power reserve.