TUDOR Black Bay One 39mm S&G Black Dial, Two Tone Bracelet (M79663-0001)

Key Features

This 39mm model presents a bold, classic design that merges modern craftsmanship with timeless appeal. The steel case features polished and satin finishes, while the fixed bezel is capped with 0.3mm of yellow gold, adding a luxurious two-tone element. The deep black dial offers striking contrast and elegant simplicity. With a 12.0mm case thickness and 21mm lug width, the piece balances presence and comfort on the wrist.

Movement

Powering the watch is the Manufacture Calibre MT5602 (COSC), a self-winding mechanical movement with a bidirectional rotor system. Certified as a chronometer, it ensures accuracy, durability, and high-performance timekeeping.

Power Reserve

A 70-hour power reserve ensures consistent functionality even after days off the wrist, providing peace of mind for everyday and rotational wear.

Waterproofness

Waterproof to 100 meters (330 feet), this watch delivers reliable performance in a range of environments, from daily wear to light aquatic activity.

Winding Crown

The screw-down crown features the TUDOR rose in relief and is made from steel capped with 0.1mm of yellow gold, subtly complementing the overall two-tone aesthetic.

Bracelet

The bracelet combines steel and yellow gold: first center links are in steel or solid yellow gold, and the remaining center links are made from a steel core capped with 0.2mm of yellow gold. It is secured with a TUDOR “T-fit” folding clasp and safety catch, with a solid yellow gold logo on the clasp—combining elegant detailing with a secure, adjustable fit.

Warranty

Backed by a five-year transferable guarantee, with no registration or periodic maintenance checks required.