Model : PVD Black Coated Stainless Steel Casework, Black Dial, Black Subdials, Numeral 2-24 Markers on Antidust Black Rubber Strap with Insignia Tang Buckle , Bi-directional Bezel Movement: Japanese OS 20 Quartz Chronograph Movement Functions: Hours, Minutes, Seconds : Running Secs at 6.00 subdial, Chronograph : 9.00 subdial - hour counter, 3.00 subdial - 24 Hour counter 2.00 pusher - start/stop chrono, 4.00 pusher - reset Dimensions : Dia 45mm x 14.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick PVD Black Coating Back : Close case back with Detail Engraving Crown : One-piece Screw down crown with o ring Crystal: Synthetic Sapphire Water-resistantQC Pics Example <<--- Click Here