Model : 18K Champagne Gold Stainless Steel Engineered Case, Brush Finish, PVD Coated Fixed Tachymeter Bezel, Grey Dial, White Ring subdial, on Brown leather Strap with Single Fold Over Insignia Clasp Movement: Japanese OS 20 Quartz Chronograph Movement Functions: Hours, Minutes, Seconds : Running Secs at 6.00 subdials Dimensions : Dia 44mm x 15.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick 18K Champagne Gold Plating .. 5 Mils Back : Solid Case Back in Checker Flag Graphic with Detailed Serial Engraving Crown : One-piece pull out screw-down crown with o ring Crystal: Sapphire crystalWater-resistant