The Tudor Black Bay Yellow Gold & Steel Black Dial 39mm Ref. M79663-0006 balances technical precision with modern details in a robust, wearable size. This watch features a 39mm stainless steel case with both polished and satin finishes, paired with a fixed bezel capped in 0.3mm yellow gold. The black dial stands out with applied diamond hour markers, offering enhanced visibility and a subtle touch of luxury. Inside, the COSC-certified Manufacture Calibre MT5602 delivers a 70-hour power reserve, self-winding mechanical movement, and chronometer-level accuracy. A screw-down crown, adorned with the Tudor rose in relief and finished with a yellow gold cap, supports water resistance up to 100 meters. The two-tone bracelet combines solid yellow gold and gold-capped steel center links, secured by Tudor’s “T-fit” folding clasp with a solid gold logo. Notable features include the diamond-set black dial, in-house movement, and practical 39mm profile.