Model : Brushed SS case, Black Dial, White Subdials, Silver Numerals Markers on Rubber strap with Insignia Buckle, Movement: Japanese OS20 Quartz Chrono Movement Functions: Hours, Minutes, Seconds : Running Secs at 6.00 subdials, Chronograph : 12.00 subdial - minute counter 2.00 pusher - start/stop chrono, 4.00 pusher - reset Dimensions : Dia 43.5mm x 13.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel Back : Close case back with detail engraving Crown : One-piece solid pullout crown with o ring Crystal: Sapphire crystal Water-resistant