Tudor Black Bay Chrono S&G

The Tudor Black Bay Chrono S&G, reference M79363N-0006, has a 41mm steel case with a polished and satin finish. The case measures 14.4mm thick, with a lug width of 22mm. A fixed bezel in solid yellow gold carries a tachymetric scale on a matt black disc, and a domed sapphire crystal sits over the champagne dial. Inside is the self-winding Manufacture Calibre MT5813, a chronometer-certified chronograph movement with flyback function and a power reserve of approximately 70 hours. Small seconds appear alongside luminous hands and indices, and this chronograph also carries a screw-down crown. The watch comes on a black fabric strap with a steel pin buckle. Waterproofness is rated to 200 metres.