Model : PVD Black Coated Brushed SS, Black Dial, Black subdials, Orange Stick Markers, Quick Release Rubber Strap with Insignia Buckle, Uni directional Rotating Bezel - AnticlockwiseMovement: Japanese OS 10 Working Chronograph Quartz movement, Functions: Hours, Minutes, Seconds : Running Secs at 6.00 subdials Date : Adjustment via crown, Day : Adjustment via Watch Hands ( 2 Revs) Chronograph : 12.00 subdial - minute counter, 9.00 subdials, hour counter 2.00 pusher - start/stop chrono, 4.00 pusher - reset Dimensions : Dia 44mm x 15mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick PVD Black Coating... Back : Solid case back with Detailed Engraving Crown : One-piece pull out crown with o ring Crystal: Synthetic Sapphire, Double AR coated Water-resistant