Model : 18K Champagne Gold Plated / Brushed/Satin SS Twotone Case, Black Dial, Gold Stick Markers on Leather Strap with Deployant ClaspFor Strap Colours Selection .. Please Refer OptionsMovement: Asian 2824 Automatic movement, 25J , 28800bph Option avail for : 1. Swiss Eta 2824, 25J, 28800bph 2. Asian 2813, 21J, 21600bphFunctions: Hours, Minutes, Seconds, Date ( Set at Crown) Dimensions : Dia 40mm x 11mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick 18K Gold Plating .. 5 mils Back : Solid Caseback with Detailed Engraving/Insignia Crown : One-piece Pull out crown with o ring Crystal: Sapphire Crystal Water-resistant