Audemars Piguet. A stainless steel automatic triple calendar bracelet watch
Model: Royal Oak OffshoreReference: 25807STDate: Circa 1990Movement: 36-jewel Cal.2127 automatic, adjusted to heat, cold, isochronism and 5 positions, 21K gold rotor segment, No.440729Dial: Dark grey grid, applied luminous filled polished bullet hour markers, white outer minute divisions and raised calendar markers, day and month apertures at 12, subsidiary seconds at 6, white arrow tipped calendar handCase: Brushed and polished tonneau form, back secured by 8 screws, bezel with 8 screws, quick set buttons at 2 and 4, shouldered screw down crown, No.D75157, 106Strap/Bracelet: Polished steel linkBuckle/Clasp: Signed folding claspSigned: Case, dial & movement Size: 39mm