featureUnidirectional rotating bezel Small seconds date Master Chronometer Certified Screw-down crown Time zone function Transparent case back ?? caseTotal product weight (approx.):????96 gBetween lugs:????20 mmThickness:????13.2 mmCase:????Stainless steelCase diameter:????41 mmWater resistance:????15 bar (150 m / 500 ft)??Dial and CrystalDial color:????blackMirror:????Arched wear-resistant sapphire crystal, double-sided anti-reflective treatment??tapeStrap type:????leather strapStrap color:????BlackStrap surface:????Alligator leatherClasp type:????Folding claspBuckle material:????stainless steelReturns and exchanges within 30 daysAny unsatisfactory product can be returned within 30 days Money Back GuaranteeFull refund within one week after receiving the return 3-year warrantyCovers any possible defects in materials and workmanship free shippingFree Shipping on all US/Canada/UK/AU orders over $300