Model : Polish Stainless Steel Case and Bezel, Black Dial, White Subdials, Stick Markers on Leather Strap Insignia Double fold Deployant Clasp, Movement: Japanese OS 20 Quartz Chronograph Movement Functions: Hours, Minutes, Seconds : Running Secs at 6.00 subdial, 24 Hour indicator at 3.00 subdial, Chronograph : 9.00 subdial - minute counter 2.00 pusher - start/stop chrono, 4.00 pusher - reset Dimensions : Dia 35mm x 12.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel Back : Close case back with Detail Engraving Crown : One-piece Screw down crown with o ring Crystal:Sapphire Crystal Water-resistant