Tudor Black Bay One 39 S&G

The Tudor Black Bay One 39 S&G, reference M79673-0005, comes with a 39mm steel case measuring 12mm thick. The fixed bezel is solid yellow gold, set with diamonds, and the black dial carries diamond hour markers along with luminous hands and indices. A flat sapphire crystal covers the dial. Inside is the manufacture calibre MT5602, a self-winding chronometer movement with a power reserve of approximately 70 hours. The screw-down crown, steel with a yellow gold cap, secures the case against water intrusion. The bracelet combines steel and gold links and closes with a steel and gold folding clasp. Tudor rates the case to 100 metres.