TUDOR presents a new addition to the Black Bay line that embodies the purest modern expression of the brand’s first-ever dive watch. In 1954, the reference 7922 was released, today the Black Bay 54 recalls this model with a 37mm case and a Manufacture Caliber.<br /><br /><strong>Case: </strong>37mm stainless steel case with polished and satin finish<br /><br /><strong>Bezel: </strong>60-minute unidirectional bezel in stainless steel with aluminum insert devoid of minute graduations<br /><br /><strong>Movement: </strong>Manufacture Caliber MT5400 (COSC): Self-winding mechanical movement with bidirectional rotor system<br /><br /><strong>Power Reserve: </strong>Power reserve of approximately 70 hours<br /><br /><strong>Winding Crown: </strong>Stainless steel screw-down crown with the TUDOR rose in relief<br /><br /><strong>Waterproofness: </strong>Waterproof to 200m (660 ft)<br /><br /><strong>Dial: </strong>Black, domed<br /><br /><strong>Crystal: </strong>Domed sapphire crystal<br /><br /><strong>Bracelet: </strong>Three-link stainless steel bracelet with polished and satin finish with TUDOR “T-fit” clasp<br /><br /><strong>TUDOR's Guarantee: </strong>Five-year transferable guarantee with no registration or periodic maintenance checks required<br /><br />TUDOR Style #: M79000N-0001