The Tudor Black Bay Yellow Gold & Steel Silver Dial 39mm Ref. M79663-0002 delivers a versatile two-tone sports watch with precise engineering and modern proportions. Introduced in 2022, this model features a 39mm stainless steel case with polished and satin finishes, complemented by a fixed bezel in steel covered with a 0.3mm yellow gold cap. The silver dial, protected by a flat sapphire crystal, offers high legibility with luminescent index and dot hour markers. At its core, the COSC-certified Manufacture Calibre MT5602 provides self-winding performance, a robust 70-hour power reserve, and chronometer accuracy. The screw-down crown, crafted in steel and capped with yellow gold, bears the Tudor rose and ensures water resistance up to 100 meters. The two-tone bracelet blends steel and yellow gold, featuring the Tudor “T-fit” folding clasp and a solid gold logo. This reference stands out for its technical reliability, contemporary size, and refined two-tone aesthetic.