Seiko Presage Automatic Watch - SRPB41J1Gender Men Movement Mechanical Movement Type Automatic with Manual Winding Capacity Calibre 4R35 Duration Approx. 41 Hours Case Material Stainless Steel Case Thickness 11. 8 mm Case Diameter 40. 5 mm Case Shape Round Dial Colour Blue Water Resistance 5 Bar Clasp Deployment Clasp with Push Button Release Glass Type Box Shaped Hardlex Crystal Functions Date Indicator Vibrations Per Hour 21,600 Vibrations per Hour Power Reserve Approximately Over 41