Silver-tone stainless steel case with a silver-tone stainless steel bracelet. 8 screws fixed silver-tone stainless steel bezel. Blue dial with silver-tone hands and index hour markers. Week markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Perpetual calendar. Four- month, moonphase, date, day of the week subdials. Audemars Piguet Calibre 5134 Automatic movement, based upon Audemars Piguet 2120, containing 38 Jewels, composed of 374 parts, bitting at 19800 vph, and has a power reserve of approximately 40 hours. Scratch resistant sapphire crystal. Screw down crown. Skeleton transparent exhibition see through case back. Octagon case shape, case size: 41 mm, case thickness: 9.5 mm. Deployment with push button release clasp. Water resistant at 200 meters / 660 feet. Functions: perpetual calendar, moon phase, leap year, month, date, day, hour, minute. Luxury watch style. Watch label: Swiss Made. Audemars Piguet Royal Oak Prepetual Calendar Blue Dial Automatic Men's Watch 26574ST.OO.1220ST.02.specs:Case Case Size:41Case Thickness:9.5 mmCase Material:Stainless SteelCase Shape:OctagonCase Back:Skeleton Transparent Exhibition See ThroughBand Band Material:Stainless SteelBand Type:BraceletBand Color:Silver-toneClasp:Deployment with Push Button ReleaseDial Dial Color:BlueType:AnalogCrystal:Scratch Resistant SapphireHands:Silver-toneDial Markers:IndexSecond Markers:Week Markers around the outer rimSub Dials:Four - Month, Moonphase, Date and Day of the WeekLuminiscence:Hands and MarkersBezel:8 Screws FixedBezel Color:Silver-toneBezel Material:Stainless SteelCrown:Screw DownInformation Brand:Audemars PiguetSeries:Royal Oak Prepetual CalendarCollection Name:Royal Oak Prepetual CalendarGender:MensModel:26574ST.OO.1220ST.02Watch Label:Swiss MadeMovement:AutomaticEngine:Audemars Piguet Calibre 5134Power Reserve:40 hoursFeatures Water Resistance:200 meters / 660 feetCalendar:Perpetual CalendarFunctions:Perpetual Calendar, Moon Phase, Leap Year, Month, Date, Day, Hour, MinuteWatch Features:Analog, Leap Year Indicator, Month, Perpetual, Stainless Steel, Moon PhaseAdditional Info Watch Style:LuxuryWarranty:2 Year Goldia WarrantyGoldia Sku:AP26574STOO1220ST02Department:WatchesCategory:Watches