The Tudor Black Bay Yellow Gold & Steel Black Dial 31mm Ref. M79603-0001 delivers a reliable two-tone sports watch in a compact, versatile size. Introduced in 2022, this model features a 31mm stainless steel case with polished and satin finishes, paired with a fixed solid yellow gold bezel for distinctive contrast. The black dial offers high legibility with luminescent index and dot markers, protected by a flat sapphire crystal. Inside, the COSC-certified Manufacture Calibre MT5201 powers the watch, providing a 50-hour power reserve and precise chronometer performance. The screw-down crown, crafted in steel and capped with 0.1mm yellow gold, features the Tudor rose and ensures water resistance up to 100 meters. The bracelet integrates steel and yellow gold links, secured with Tudor’s “T-fit” folding clasp and a solid gold logo. This reference stands out for its robust technical foundation, practical features, and signature two-tone design.