Made with a Genuine ( Steel Model) as Sample..Model : Brushed SS Satin Finish Case, 18K Plated YG Bezel, White Dial, Semi Sunken Subdials, Roman Markers on Leather strap with TT Double Deployant ClapsMovement: Asia 7750 Valjoux Working Chronograph movement, 28800 bphFunctions: Hours, Minutes, Seconds : Running Secs at 9.00 subdials, Chronograph : 3.00 subdial - minute counter, 6.00 subdials, hour counter 2.00 pusher - start/stop chrono, 4.00 pusher - reset Dimensions : Width 41.5mm x Height 41.5mm x Thickness 16mm Material : 1 piece forged case construction, 316 Steel , 18K Thick plating ...5 mils on Bezel and clasp Back : Close case back with Detail Engraving Crown : One-piece Pull Out crown with o ring Crystal: - Sapphire crystal Water-resistant