Model : Matt Finish PVD Black SS Case and Bezel, White Dial, Black Ring Subdials, Numeral Markers on Matt Finish PVD Black SS Oyster Bracelet, Movement: Asia 7750 Valjoux Working Chronograph movement Updated Decorated Insignia Rotor, 28800 bph, New Improved 29J VersionFunctions: Hours, Minutes, Seconds : Running Secs at 6.00 subdials, Chronograph : 3.00 subdial - minute counter, 9.00 subdials, hour counter 2.00 pusher - start/stop chrono, 4.00 pusher - reset Dimensions : Dia 40mm x 13.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick Black PVD Coating, Matt Finish Back : Close case back with Pro Hunter Serial Engraving Crown : One-piece Screw down crown with o ring Crystal: - Sapphire Crystal Water-resistant