Tudor Black Bay One 31 S&G

The Black Bay One 31 S&G (ref. M79603-0001) pairs a 31mm steel case with a fixed bezel in solid yellow gold and a black dial. The bracelet combines steel and yellow gold center links, with the outer links formed from a steel core capped in 0.2mm of yellow gold, secured by a Tudor "T-fit" folding clasp bearing a solid gold logo. It is fitted with a sapphire crystal and is water resistant to 100 metres. Inside is the automatic Tudor Manufacture Calibre MT5201, COSC-certified as a chronometer, offering 50 hours of power reserve.