TUDOR Black Bay Chrono S&G

41mm steel case, Steel and yellow gold bracelet
CASE: 41mm steel case with polished and satin finish
BEZEL: Fixed solid yellow gold bezel with matte black anodized aluminum disc with tachymetric scale, yellow gold markings
MOVEMENT: Manufacture Caliber MT5813 (COSC) with chronograph function Self-winding mechanical chronograph movement with bidirectional rotor system
DIAL: Black, domed
WINDING CROWN: Screw-down winding crown with the TUDOR rose in relief. Solid yellow gold screw-down pushers at 2 and 4 o'clock. Steel covered by a 0.3mm yellow gold cap
CRYSTAL: Domed sapphire crystal
WATERPROOFNESS: Waterproof to 200m (660 ft)
BRACELET: First center links at 6 and 12 o’clock in solid yellow gold. Remaining center links in steel or steel covered by a 0.2mm yellow gold cap. Folding clasp and safety catch