Model : Polished Stainless Steel Caseset Case, Brush Front Smooth Stainless Steel Bezel, Black Dial, Black Subdials, Green Sticks Markers on Stainless Steel Link Bracelet with with Insignia Double Deployant BuckleMovement: Japanese OS20 Working Chronograph movement, Functions: Hours, Minutes,24 hour indicator (3.00 Subdial) Date at 6.00 set via crown Chronograph : 9.00 Subdial - minute counter 2.00 pusher - start/stop chrono, 4.00 pusher - reset Dimensions : Dia 45mm x 11mm Thk Material : 1 piece forged case construction, solid 316 stainless steel Back : Solid Case back with and detail Engravings Crown : One-piece pull out crown with o ring Crystal: Sapphire Crystal Water-resistant