Model : Polished Stainless Steel Caseset, Black Dial, Silver Subdials, Steel Stick Markers on Mesh Bracelet with Single Fold Deployant ClaspMovement: Asia 7750 Valjoux Working Chronograph movement 28800 bph, Working Regulator, Engraved Insignia RotorFunctions: Hours, Minutes, Seconds : Running Secs at 9.00 subdials, Date : 4.30 (Set via Crown) Chronograph : 3.00 subdial - minute counter, 6.00 subdials, hour counter 2.00 pusher - start/stop chrono, 4.00 pusher - reset Dimensions : Dia 45mm x 17mm Thk Material : 1 piece forged case construction, solid 316 stainless steel Back : Display case back with Detail Engraving Crown : One-piece Screw down crown with o ring Crystal: - Sapphire crystal Water-resistant