Model : 18K Rose Gold Polished Stainless Steel Case, Black/Grey Dial, Grey Subdials , Minute Numeral Hour Index on rubber Strap with Insignia Single Fold Deployant Buckle, Movement: Japanese OS 20 Working Chronograph Quartz Movement Functions: Hours, Minutes, Date ( 600, Set via crown), Chronograph, 24 Hour Indicator at 3.00 Subdial Dimensions : Width 47.5mm x 18mmThk Material : 1 piece Forged Solid 316 Stainless Steel, Thick 18K Rose Gold Plating .. 5 MilsBack : Solid case back with Carrera 50 Yrs Insignia Crown : One-piece Screw down crown Crystal: Sapphire Crystal Water-resistant