crown set with 14 diamonds
and blue sapphire-crystal disks for sky background and moon phases
approximately 36 hour of power reserve
39mm x 49mm x 8
Calibre 2713 movement with hours
Audemars Piguet Royal Oak Offshore Chronograph Watch - 26231ST.ZZ.D002CA.01 40 crown set with 14 diamonds37mm stainless steel case, 11. 8mm thick, screw locked crown, bezel set with with 32 brilliant cut diamonds (~1. 02 carats), glareproofed sapphire crystal, black dial with new Lady Tapisserie pattern, circular grained external zone, pink gold applied hour markers and Royal Oak hands with luminescent coating, caliber 2385 self winding movement with chronograph, hours, minutes, small seconds, date, approximately 40 hours of power reserve, black rubber