Model : PVD Black Coated Polished Stainless Steel Caseset 18K Rose Gold Plated Brush Front Smooth Stainless Steel Bezel, Blue Dial, Blue Subdials, Rose Gold Sticks Markers on Blue Leather Clad front Rubber Base Gummy Strap with Insignia Single Fold 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, Thick 18K Rose Gold Plating.. 5 mils Back : Solid Case back with and detail Engravings Crown : One-piece pull out crown with o ring Crystal: Sapphire Crystal Water-resistant