Model : Stainless Steel Case,18K Rose Gold Plated Tachymeter Bezel, Black Dial, Black Subdials, Lume Stick Markers on Leather Strap with Single Fold Deployant Buckle Movement: Asia 7750 Valjoux Working Chronograph movement, Insignia 9300 Rotor Functions: Hours, Minutes, Seconds : Running Secs at 9.00 subdials, Date : Window at 6.00, set via crown Chronograph : 3.00 subdial - minute counter, 2.00 pusher - start/stop chrono, 4.00 pusher - reset Dimensions : Dia 44.5mm x 18.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel Back : Display case back with Detail Engraving Crown : One-piece Screw down crown with o ring Crystal: - Sapphire crystal Water-resistant