Upgraded to Superlume Dial and Real Ceramic Bezel !!!!! Model : 2013 Basel release model....18K RG Plated Case, Black Ceramic Tachymeter Bezel, Gold Superlume Dial, and Needles, Gold Subdials, Superlume Stick Markers on 18K Rose Gold Plated Oyster Bracelet with Single Fold Locking Clasp, Engraved Rehaut with serial numbers Movement: Asia 7750 Valjoux Working Chronograph movement, 28800 bph, Preforated Insignia RotorFunctions: 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 40.5mm x 14.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, 18K Thick RG Plated... 5 Mils Back : Close case back with Hollogram Crown : One-piece Screw down crown with o ring Crystal: Sapphire crystal with laser etched crown at 6.00 Model No and Serial number engraved in lugs at both endsWater-resistant