Model : Polished SS Case , Black Limited Edition Dial, Black Subdials, Lumed Arrowed /Numeral 12/6 on Rubber Strap with Single fold insignia deployant clasp with release catch.Movement: Nickle Plated Swiss 7750Working Chronograph Movement,28800bph, Insignia Engraving on Rotor Functions: Hours, Minutes, Seconds : Running Secs at 9.00 subdials Date : Adjustment via crown, Same Mag and Font as Genuine Chronograph : 6.00 subdial - minute counter, 12.00 subdials, hour counter 2.00 pusher - start/stop chrono, 4.00 pusher - reset Dimensions : Dia 44mm x 14.2mm ThkMaterial: 1piece forged case construction, solid 316 Stainless Steel Back: Display Caseback with Detailed serial/model Engraving on case rims Crown: One-piece solid screw-down crown with o ring Crystal:AR coated Sapphire crystalWaterproof to 30m