Model : 18K YG Plated Case, MOP White Dial and subdials, Diamond Markers on 18K YG Plated Braclet Movement: Asia 7750 Valjoux Working Chronograph movement Functions: Hours, Minutes, Seconds : Running Secs at 6.00 subdials, Chronograph : 3.00 subdial - minute counter, 9.00 subdials, hour counter 2.00 pusher - start/stop chrono, 4.00 pusher - reset Dimensions : Dia 40mm x 12.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, 18K Thick YG Plated... 5 Mils. Back : Close case back with Hollogram Crown : One-piece Screw down crown with o ring Crystal: - Sapphire crystal with laser etched crown at 6.00 Water-resistant