Tudor Black Bay 58

The Tudor Black Bay 58 GMT, reference M7939G1A0NRU-0003, is a GMT watch with a 39mm steel case. Case thickness measures 12.8mm and the lug width is 20mm. A bidirectional rotating bezel with a black and burgundy insert surrounds the black dial, which is domed and set under a domed sapphire crystal. The self-winding Calibre MT5450-U drives the watch, certified as a METAS Master Chronometer with a 65-hour power reserve, and adds an integrated GMT function alongside central seconds. Hands and indices carry luminous treatment for legibility in low light. The screw-down crown bears the Tudor rose in relief. Fitted to a five-link steel bracelet with a folding clasp, the case is waterproof to 200 metres.