Audemars Piguet Jules Audemars Chronometer with Escapement Automatic Platinum Mens Watch 26153PT.OO.D028CR.01. 950 platinum case with a blue alligator leather strap. Fixed bezel. White enamel dial with blue hands and Roman numeral hour markers. Minute markers around the outer rim. Manual wind movement with 90 hour power reserve. Calibre 2908 engine. Scratch resistant sapphire crystal. Skeleton case back. Case diameter: 46 mm. Case thickness: 12.7 mm. Round case shape. Deployment clasp with push button. Water resistant at 20 meters / 65 feet. Functions: Chronograph, Hour, Minute, Small Second, Power Reserve Indicator, Chronometer. Additional Info: power reserve indicator on dial. Luxury watch.