TUDOR Black Bay Chrono 39

39mm steel case, Yellow dial CASE: 39mm stainless steel case with polished and satin finishes BEZEL: Fixed stainless steel bezel with black anodized aluminum insert and tachymetric scale with silver markings MOVEMENT: Manufacture Caliber MT5813 (COSC) with chronograph function Self-winding mechanical chronograph movement with bidirectional rotor system DIAL: Yellow with black sub-counters, domed WINDING CROWN: Stainless steel screw-down winding crown with the TUDOR shield in relief Stainless steel screw-down pushers at 2 o'clock and 4 o'clock CRYSTAL: Domed sapphire crystal WATERPROOFNESS: Waterproof to 200m (660 ft) BRACELET: 3-link stainless steel bracelet with polished and satin-brushed finishes, with TUDOR "T-fit" rapid adjustment clasp