Model #: 1137240/16765P, SKU #: 1204277, Gender/Size: Mens, Case: Two tone steel and gold, Case Back: Screw in see through sapphire, Bracelet/Strap: Two tone steel and gold, Crown: Fluted gold, Dial Color: Silver , Subdial Use: Seconds, minutes, hours, Hand Indicators: Gold tone, Hour Markers: Gold and luminous, Crystal: Scratch resistant sapphire , Movement: Automatic chronograph certified chronometer, Date Calendar: Between the 4 and 5 , Case Width: 41.5 mm (43.5 mm with crown), Case Length: 44.5 mm with lugs, Case Thickness: 11.5 mm, Bracelet Width: 21.5 mm, Clasp Type: Foldover, Water Resistant: To 30 meters, Model # Alias: 1137240-16765P or 113724016765P,