JF Version !!! ...Model 116508.. Upgraded to more refined casework and Invisible Etched Crown on Crystal !!! Calibre 4130 Movement Bridges and Engravings as per Genuine !!! Model : 18k Champagne Gold Plated Stainless Steel Case, and Tachymeter Bezel, Black Dial, Black Subdials, Diamond Markers, Superlume Applied Needles, on 18K Champagne Gold Plated Oyster Link bracelet with Single Fold Deployant Buckle Movement: Asia 7750 Valjoux Working Chronograph movement, 29J, 28800bph, Functional Regulator, Modded to Calibre 4130 Movement Bridges Functions: Hours, Minutes, Seconds : Running Secs at 6.00 subdials, Chronograph : 3.00 subdial - minute counter, 9.00 subdials, hour counter 2.00 pusher - start/stop chrono, 4.00 pusher - reset Dimensions : Dia 40mm x 14mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick 18K Champagne Gold Plating .. 5mils Back : Solid Caseback Crown : One-piece Screw down crown with o ring Crystal: Sapphire crystal, Invisible Etched Crown Water-resistant