– 41 mm steel case with polished and satin finish – 48-notch bidirectional rotating bezel in yellow gold with 24-hours graduated matt brown and black anodised aluminium disc – Manufacture Calibre MT5652 (COSC) Self-winding mechanical movement with bidirectional rotor system Built-in architecture – Black, domed –  Screw-down winding crown with the TUDOR rose in relief. Steel covered by a 0.1mm 18 ct yellow gold cap – Domed sapphire crystal – Waterproof to 200 m (660 ft) – Riveted steel and yellow gold bracelet with polished and satin finish – Download Size Guide