Model : PVD Black Coated Polished Stainless Steel Case, Black Inner Bezel, Black Dial, Black Subdials , Stick Hour Index on Black Rubber Strap (Anti Dust Quality) with Insignia Single Fold Deployant Buckle, Movement: Japanese OS 20 Working Chronograph Quartz Movement Functions: Hours, Minutes, Date (3.00, Set via crown), Secs at 6.00 Subdial, Chronograph Dimensions : Width 45.5mm x 16mmThk Material : 1 piece Forged Solid 316 Stainless Steel, Thick PVD Black CoatingBack : Solid case back with Carrera Senna Limited Edition Insignia Crown : One-piece Screw down crown Crystal: Sapphire Crystal Water-resistant