The TUDOR BLACK BAY 39 S&G, M79663-0005, epitomizes sophistication with a perfect blend of form and function. Its 39mm steel case, polished and satin-finished, encases the COSC-certified Manufacture Calibre MT5602, a self-winding mechanical movement with a bidirectional rotor system, boasting a robust 70-hour power reserve. The watch is equipped with a screw-down winding crown adorned with the TUDOR rose, featuring a 0.1mm yellow gold cap. Waterproof to 100m (330 ft), the timepiece is distinguished by a fixed bezel in steel, complemented by a 0.3mm yellow gold cap. The champagne-colored dial exudes timeless elegance, and the bracelet, with yellow gold center links at 6 and 12 o'clock and the remaining links in steel covered by a 0.2mm yellow gold cap, is secured by a "T-fit" folding clasp with a safety catch, featuring a logo crafted from yellow gold. This watch is a testament to TUDOR's commitment to precision and style.