featureUnidirectional rotating bezelChronographSmall secondsMaster Chronometer CertifiedSmall SecondsSpeedometercaseTotal product weight (approx.):????90 gBetween lugs:????20 mmThickness:????14.5 mmCase:????Stainless steelCase diameter:????42 mmWater resistance:????5 bar (50 m/167 ft)??Dial and CrystalDial color:????SilverMirror:????Arched wear-resistant sapphire crystal, double-sided anti-reflective treatment??braceletMaterial:????Coated nylon cloth strapStrap bottom:????Grained calfskinBuckle type:????pin buckleBuckle material:????stainless steel