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Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
  • Case #421 — Tudor Black Bay 58 Ref. M79030B-001
Case #421 — Tudor Black Bay 58 Ref. M79030B-001

Case #421 — Tudor Black Bay 58 Ref. M79030B-001

$3,150.00 USD
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Case #421 — Tudor Black Bay 58 Ref. M79030B-001

Status: Active Investigation
Condition: Excellent Pre-Owned
Scope: Box, Papers, and Cards
Year: 2020

🔎 Case Notes

The Tudor Black Bay 58 Blue Ref. M79030B is one of the strongest modern Tudor sport watches in the current market — a reference that takes the Black Bay 58 formula and gives it a slightly sharper, more expressive edge through its blue dial and matching blue bezel. At 39mm, it keeps the proportions that made the BB58 such a hit in the first place: compact, balanced, and easy to wear daily without sacrificing the feel of a true dive watch.

This reference has become especially popular because it hits a rare middle ground so well. It feels vintage-informed without being fussy, modern without being oversized, and substantial without becoming heavy-handed. The matte blue bezel, domed crystal, and riveted bracelet styling all help give it that “heritage done right” feel that has made the BB58 line so appealing.

This example dates to 2020 and is presented in excellent pre-owned condition. Overall, it shows only light wear consistent with careful use. It includes box, papers, and cards, is currently sized to fit approximately a 7-inch wrist, and also includes an aftermarket NATO strap, which adds another easy-wearing option to the package.

🕰️ The Evidence

Reference: M79030B
Model: Tudor Black Bay 58 Blue
Case: Stainless Steel
Case Size: 39 mm
Bezel: Unidirectional rotating bezel with blue anodized aluminum insert
Crystal: Domed Sapphire Crystal
Dial: Blue
Movement: Automatic
Bracelet: Stainless Steel Bracelet
Bracelet Fit: Approximately 7" wrist
Additional Strap: Aftermarket NATO Strap
Water Resistance: 200 m
Year: 2020
Accessories: Box, Papers, and Cards

Condition Notes: Excellent pre-owned condition overall, with light wear consistent with careful use.

🌊 Diving Heritage

The Black Bay 58 line draws directly from Tudor’s late-1950s dive-watch history, especially the proportions and visual cues of the brand’s early 200-meter divers. The “58” designation itself is a nod to 1958, and that heritage is a large part of why the watch feels so cohesive. It is not simply a smaller Black Bay — it is a reference built around a very specific vintage-inspired idea that continues to resonate with buyers.

The blue version adds a distinctly modern twist to that formula. It keeps the compact dimensions and vintage-rooted layout intact, but the colorway gives it a fresher, slightly more contemporary personality than the black model while still staying fully versatile as an everyday sports watch.

🌟 Collector Provenance

The Black Bay 58 has become one of Tudor’s most successful modern references because it gets the fundamentals right: size, comfort, movement quality, and broad collector appeal. The blue version stands out just enough to feel distinct without becoming limiting, which is a large part of why it continues to hold attention in the market.

Examples that include box, papers, and cards remain especially attractive, and this one also benefits from the added versatility of the aftermarket NATO strap. For many buyers, the BB58 Blue is the kind of watch that works equally well as a first serious sport watch or as part of a more established collection.

🌟 Celebrity Provenance

David Beckham has been publicly seen wearing the Black Bay 58 Blue, which fits the watch well. It has just enough presence to stand out, but keeps the kind of clean proportions and easy wearability that make it broadly appealing.

🧾 From the Case File

Recovered as a 2020 Tudor Black Bay 58 Blue Ref. M79030B. Box, papers, and cards. Excellent pre-owned condition overall. Sized to approximately a 7-inch wrist. Includes an aftermarket NATO strap.

🗝️ BST Verdict

Case #421 delivers one of Tudor’s most successful modern sport-watch references in a particularly strong colorway. With its compact 39mm case, full-set presentation, excellent overall condition, and added NATO strap versatility, this is a very attractive example of the Black Bay 58 Blue.

👉 Every case deserves a closer look.