Case #721 — Tudor Black Bay 58 Red Ref. m7939a1a0ru-0002

Case #721 — Tudor Black Bay 58 "Burgundy" (Red)

Ref. M7939A1A0RU-0002

Status: Available

Condition: Very Good Pre-Owned

Scope: Box, Papers, and Cards

Year: 2025

🔎 Case Notes

Colour is the first thing you notice, and in this case colour is also the whole point. The Black Bay 58 arrived at Watches and Wonders 2025 wearing a dial and bezel insert in deep red-burgundy — a shade drawn from a 1990s prototype Tudor Submariner, reference 79190, which carried a burgundy dial and matching bezel and never reached production. Thirty years later, that abandoned experiment became a catalogue model.

What arrived alongside the colour mattered just as much. This generation of the Black Bay 58 brought a technical upgrade: the self-winding Calibre MT5400-U is METAS-certified, rated to 0/+5 seconds per day and resistant to magnetic fields up to 15,000 gauss. Like other Tudor calibres carrying the "-U" suffix, it holds both COSC Chronometer and METAS Master Chronometer certification.

This is the -0002 variant, delivered on the three-link "rivet-style" steel bracelet with Tudor's T-fit clasp — the Oyster-style configuration rather than the five-link or rubber options offered in the same release. It is a 2025 example, graded Very Good Pre-Owned, with only minor signs of wear visible on the high-polish surfaces. In hand it presents as a genuinely attractive watch. The bracelet is currently sized to fit an approximately 7¾-inch wrist, and it arrives as Box, Papers, and Cards.

🕰️ The Evidence

• Reference: M7939A1A0RU-0002
• Model / Collection: Tudor Black Bay 58 — Burgundy
• Year: 2025
• Case: Stainless steel with polished and satin finishes
• Case Diameter: 39 mm
• Dial: Burgundy, domed, with applied hour markers; gilt-tone stick indices
• Crystal: Domed sapphire with anti-reflective treatment
• Bezel: Unidirectional rotatable stainless steel bezel with burgundy anodised aluminium insert
• Crown: Stainless steel screw-down winding crown with the TUDOR rose in relief
• Movement: Manufacture Calibre MT5400-U, self-winding with bidirectional rotor system
• Certification: COSC Chronometer and METAS Master Chronometer
• Power Reserve: 65 hours
• Functions: Hours, minutes, central seconds
• Water Resistance: 200 m (660 ft)
• Bracelet: Three-link "rivet-style" stainless steel bracelet with polished and satin finishes
• Clasp: Tudor "T-fit" folding clasp with on-the-fly micro-adjustment
• Bracelet Fit: Approximately 7¾-inch wrist
• Condition: Very Good Pre-Owned — minor signs of wear visible on the high-polish surfaces
• Factory Warranty: Tudor's five-year transferable guarantee; remaining coverage is subject to the exact warranty-card date and Tudor's guarantee terms
• Included: Box, Papers, and Cards

🌟 Collector Provenance

The Black Bay 58 occupies a particular place in modern collecting: it is the reference that answered the complaint that the original Black Bay was too thick and too wide. At 39 mm it became the enthusiast's default recommendation almost immediately, and the broader line has been described as having earned a reputation as an enthusiast's favourite.

The 2025 burgundy release matters for two separate reasons, and collectors tend to care about one or the other. The first is the dial, which is not a marketing invention but an archival rescue — the colour draws on a 1990s Submariner prototype, ref. 79190, with burgundy dial and bezel, which never made it to production. The second is certification. With this generation the Black Bay 58 received the Master Chronometer treatment, moving the line from COSC alone to the dual COSC/METAS standard that Tudor reserves for its "-U" calibres.

Configuration is worth noting as well. Tudor offered the burgundy Black Bay 58 on three options: the three-link riveted bracelet, a five-link bracelet, and rubber, and the five-link T-fit bracelet was a first for the model. This example is the three-link — the configuration that reads most directly as a tool-diver and keeps the vintage riveted-link vocabulary intact against the red dial.

🌟 Design Provenance

Red is a difficult colour on a dive watch. Too bright and it reads novelty; too dark and it disappears into brown under anything but direct light. Tudor's execution sits deliberately between those poles, and the trade press noticed — reactions ranged from one reviewer calling the shade closer to cherry red than true burgundy, while conceding the colour is spectacular to look at, to others noting that the shade has sparked debate among enthusiasts over how it reads in person versus on screen. That debate is itself part of the watch's character: this is a Black Bay you choose on purpose, not by default.

The supporting details are conservative, which is why the colour works. The bezel insert is anodised aluminium rather than ceramic, matching the dial. The crown is a screw-down steel unit carrying the Tudor rose in relief. The dial is domed with applied markers, and the gilt-toned indices give the red a warmer, more vintage reading than a stark white-on-red would. The case keeps its mix of polished and satin surfaces — and on this example, those polished surfaces are exactly where the light wear is visible.

🧾 From the Case File

The practical case for this watch is straightforward. Thirty-nine millimetres is the size most people actually wear comfortably, and it is a diameter that works on wrists that struggle with 41 mm and up. The T-fit clasp allows micro-adjustment without tools, which matters more than it sounds — a steel dive watch on a hot day behaves very differently from one at rest, and being able to open the clasp a few millimetres mid-wear is a genuine daily convenience.

Against a new-in-store purchase, this example offers two things. It is a 2025 watch in Very Good Pre-Owned condition with wear limited to the polished surfaces, and it arrives complete as Box, Papers, and Cards — the documentation set collectors look for when a watch moves on again. Tudor's five-year guarantee is transferable and requires no registration or periodic maintenance checks, so the remaining coverage follows the watch, subject to the card date and Tudor's terms.

For use, the specification is honest rather than ornamental: 200 m of water resistance to ISO standard, COSC precision testing at two temperatures in six positions, and normal function in a 15,000 gauss magnetic field, with a 65-hour reserve that comfortably covers a weekend off the wrist. Please note that BST has not supplied measured timing results for this example, and none are claimed here.

🗝️ BST Verdict

A 2025 Black Bay 58 in the configuration that gives the design its full tool-watch voice — three-link riveted bracelet, T-fit clasp, burgundy dial and matching anodised bezel — backed by the Master Chronometer calibre that made this generation more than a colour change.

Complete with Box, Papers, and Cards, sized to an approximately 7¾-inch wrist, and carrying only light wear on the polished surfaces. For a buyer who wants a 39 mm diver with an archival story behind the dial colour and contemporary METAS certification behind the hands, this is a well-kept recent example.

👉 Every case deserves a closer look.