Seamaster Planet Ocean 600M 42 mm, steel on steel 217.30.42.21.01.001 Rose Gold and dateCaliber: 11 1 2''' Powermatic and dateCaliber: 11 1 2''' Powermatic 80Movement Description: Self winding mechanical movement with a power reserve of up to 80 hoursDial Color: White mother of pearlHour Markers: Roman numerals and indexesHands: Polished steel handsCase Shape: RoundMaterial: 316L stainless steel with rose gold PVD coatingGlass: Domed scratch resistant sapphire crystal with anti reflective coatingCase Back: See through case backDimension: 32 mm diameterLug Distance: 16 mmThickness: 10 a masterful blend of elegance and versatility this Seamaster Planet Ocean is worn on a polished brushed bracelet in stainless steel ) 177 g Calibre Omega 8912 Movement type Self winding Power reserve 60 hours Material Steel Type of Clasp Foldover clasp with comfort setting and diver extension