Made with a Genuine watch fully dissected as RefModel : Brushed SS Case, Polished Tachymeter Bezel, White dial, White subdials on Brushed SS BraceletMovement: Asia 7750 Valjoux Working Chronograph movement, 28800bph, Functional Regulator 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 42mm x 12mm Thk Material : 1 piece forged case construction, solid 316 stainless steel Back : Close case back Crown : One-piece solid screw-down crown with o ring Crystal: Sapphire crystal, AR Coated Water-resistant