Model 116506 Black Ceramic Bezel, Superlume Dial !!!! Model : Polished 316F Stainless Steel Caseset, Black Ceramic Bezel, White Dial, Steel Ring Subdials, Suplerlume Stick Markers and Needles on Leather Strap with Single Fold Deployant Clasp, Engraved Rehaut with serial numbers Movement: Asia 7750 Valjoux Working Chronograph movement, 28800bph, Engraved Rotor, New Improved 29J VersionFunctions: 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 13mm Thk Material : 1 piece forged case construction, solid 316 stainless steel 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