Named after the year the first TUDOR dive watch was introduced, this Black Bay watch boasts the same characteristic proportions of the 1950s model. The 41mm stainless steel case houses a reliable self-winding mechanical movement with bidirectional rotor system that ensures you never miss an appointment. Completing the look is a riveted stainless steel bracelet that secures comfortably with a folding buckle, safety closure.Case: 41mm steel case with polished and satin finish; Lugs: 21mm lug width; Case thickness: 13.6mmBezel: 60-minute unidirectional bezel in stainless steel with black aluminum insertMovement: Manufacture Caliber MT5602-U: Self-winding mechanical movement with bidirectional rotor systemPower Reserve: 70-hour power reserveWinding Crown: Screw-down steel winding crown, with the TUDOR rose engraved and black-lacquered, with blue anodized aluminum winding crown tubeWaterproofness: Waterproof to 200m (660 ft)Dial: Black, domed, with silver-colored applied hour markersCrystal: Domed sapphire crystalBracelet: Five-link stainless steel bracelet with polished and satin finish with TUDOR “T-fit” claspTUDOR's Guarantee: Five-year transferable guarantee with no registration or periodic maintenance checks requiredTUDOR Style #: M7941A1A0NU-0003