Model : 18K YG Plated / Polished SS Case , Silver White Dial, White subdials, on Two Tone SS/ YG Bracelet with single fold insignia deployant clasp.Movement: Asia 7750 Valjoux Working Chronograph movement, 28800bph, Insignia Engraving on Rotar Functions: Hours, Minutes, Seconds : Running Secs at 9.00 subdials Date : Adjustment via crown, Chronograph : 6.00 subdial - minute counter, 12.00 subdials, hour counter 2.00 pusher - start/stop chrono, 4.00 pusher - reset Dimensions : Dia 41mm x 16mm Thk Material : 1 piece forged case construction, solid 316 stainless steel , 18K Thick Plating Back : Display case back with Detailed Engraving on Case rims Crown : One-piece solid screw-down crown with o ring Crystal: Sapphire crystal Water-resistant