Tudor Black Bay 54 79000N

The Tudor Black Bay 54 (ref. 79000N) is a beautifully compact dive watch that channels vintage diving spirit with modern robustness. At 37 mm in diameter and just over 11 mm thick, it offers a comfortable, wrist-friendly profile without sacrificing presence. The case is finished with a blend of brushed and polished surfaces, and it’s topped by a domed sapphire crystal that further accentuates its classic lines. Its unidirectional bezel with a black aluminum insert features a clean, minimal 60-mark layout (omitting individual minute markings) and a luminous pearl at 12 o'clock—echoing early dive-watch design cues. On the dial side, the black domed dial carries gilt accents, a “snowflake” hour hand, a pencil minute hand, and a lollipop seconds hand, delivering legibility and vintage character in equal measure.

Under the surface, the Black Bay 54 is powered by Tudor’s in-house MT5400 caliber, a COSC-certified movement offering around 70 hours of power reserve and a robust 200 m water resistance rating. Its screw-down crown is styled smaller and more subtly than on prior Black Bay models, bearing the Tudor rose in relief and sitting flush to the case in a nod to historical diver references. The watch is offered on a rivet-style steel bracelet or a rubber strap, each equipped with Tudor’s T-Fit clasp for micro-adjustment. With its balanced blend of heritage inspiration and contemporary mechanics, the Black Bay 54 makes a strong case for those seeking a stylish, wearable diver that doesn’t overwhelm smaller wrists.

Reference: 79000N

Dated: 2025

MSRRP: $4375

Bracelet: Oyster - Stainless Steel Bracelet

Case Size: 37mm x 11.2mm thickness - Stainless Steel

Lug Width: 20mm

Movement: MT5400 - Automatic

Functions: Hours, Minutes, Seconds

Box and Papers: Inner/outer boxes, and warranty card

Crystal: Sapphire

Bracelet size: 7.25”

Case has little to no wear. Bracelet has minimal wear with nothing notable. Dial, hands, and crystal have no wear.

Tudor was established in 1926 by Hans Wilsdorf, the founder of Rolex, with a vision to create watches that offered the same reliability and precision as Rolex, but at a more accessible price point. Built with robust Swiss movements and housed in Rolex-quality cases, Tudor quickly earned a reputation for producing tool watches trusted by military units and professional divers around the world. In the 1950s and ‘60s, Tudor introduced iconic models like the Oyster Prince Submariner, worn by the French Navy, and carved out a legacy as a maker of rugged, no-nonsense timepieces built to perform under extreme conditions.

In recent years, Tudor has reemerged as one of the most exciting names in modern watchmaking. Collections like the Black Bay, Pelagos, and Ranger pay homage to the brand’s vintage roots while incorporating in-house calibers and contemporary design updates. The Black Bay Fifty-Eight, in particular, has become a collector favorite for its perfect blend of vintage proportions and modern engineering. With a design language all its own and a renewed focus on manufacturing independence, Tudor has established itself as far more than Rolex’s younger sibling—it’s a brand that balances heritage, innovation, and value with serious horological credibility.