Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Watch - 26231ST.ZZ.D010CA.01 Grey CHRONO-MASTER self-winding Engine Cal

CHRONO-MASTER self-winding Engine Cal

Measures 35mm x 19mm rectangle case with curve

In fact I just had it sent to Cartier NY center for service and inspection and have proper paperwork

and instantaneous date in aperture

Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Watch - 26231ST.ZZ.D010CA.01 Grey CHRONO-MASTER self-winding Engine Cal37 mm stainless steel case, 12. 4 mm thick, screw locked crown, diamond set bezel, silver toned dial with Lady Tapisserie pattern, blue counters, blue external zone, white gold applied hour markers and Royal Oak hands with luminescent coating, Calibre 2385 selfwinding movement with chronograph, hours, minutes, small seconds and date, approximately 40 hours of power reserve, white rubber strap, stainless steel AP folding buckle , comes with additional