Model : Brushed SS Case, Sq Cut Clear Purple Rubies Bezel, White Dial and Subdials, Silver Numerals on Rubber Strap with Insignia Double Deployant BuckleMovement: Japanese OS20 Working Chronograph movement, Functions: Hours, Minutes,24 hour indicator Seconds : Running Secs at 6.00 subdials, Date at 4.30 set via crown Chronograph : 9.00 subdial - minute counter 2.00 pusher - start/stop chrono, 4.00 pusher - reset Dimensions : Dia 40mm x 12.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel Back : Solid Case back with Graphic and detail Engraving on Case Rims Crown : One-piece pull out crown with o ring Crystal: Sapphire Crystal Water-resistant