Model : 18K Rose Gold Plated Polished Stainless Steel Case, Black Inner Tachymeter Bezel, Black Dial, Black Subdials , Stick Hour Index on Rubber Strap (Anti Dust Quality) with 18K Rose Gold 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 45.5mm x 18mmThk Material : 1 piece Forged Solid 316 Stainless Steel, Thick 18K Rose Gold Plating .. 5 MilsBack : Solid case back with Carrera 50 Years Anniversary Graphic Insignia Crown : One-piece Screw down crown Crystal: Sapphire Crystal Water-resistant