Follow the clues. Stay on the case.
Where the hunt continues — one post at a time.
Watch stories, solved cases, and the ones we're chasing.
Skip to product information
Case #390 — Tudor Black Bay 58 GMT “Coke” Ref. 7939G1A0NRU-0001
$4,150.00 USD
Shipping calculated at checkout.
Case #390 — Tudor Black Bay 58 GMT “Coke” Ref. 7939G1A0NRU-0001
Status: Active Investigation
Condition: Excellent Pre-Owned
Scope: Box, Papers, and Cards
Year: 2025
🔎 Case Notes
The Tudor Black Bay 58 GMT “Coke” Ref. 7939G1A0NRU-0001 is one of the most compelling recent additions to Tudor’s GMT lineup. It takes the core Black Bay 58 formula — compact proportions, strong vintage-inspired design language, and broad everyday wearability — and adds true GMT functionality in a cleaner, more restrained format than the larger Black Bay GMT models.
What makes this reference especially appealing is the balance it strikes. The black-and-red “Coke” bezel gives the watch a distinct travel-watch character, while the 39mm case keeps it highly wearable on the wrist. It feels sporty, practical, and immediately recognizable without becoming overdone.
This example dates to 2025 and is presented in excellent pre-owned condition. Overall, it shows only light wear consistent with careful use. It includes box, papers, and cards and is currently sized to fit approximately a 7.5-inch wrist.
🕰️ The Evidence
Reference: 7939G1A0NRU-0001
Model: Tudor Black Bay 58 GMT “Coke”
Case: Stainless Steel
Case Size: 39 mm
Bezel: Bidirectional 24-hour black and red bezel
Crystal: Sapphire
Dial: Black
Movement: Automatic GMT
Bracelet: Stainless Steel Bracelet
Bracelet Fit: Approximately 7.5" wrist
Water Resistance: 200 m
Year: 2025
Accessories: Box, Papers, and Cards
Condition Notes: Excellent pre-owned condition overall, with light wear consistent with careful use.
🌍 GMT Heritage
The Black Bay GMT line brings Tudor’s vintage-inspired dive-watch design language into the travel-watch category, pairing familiar Black Bay details with true GMT capability. In the Black Bay 58 GMT, that formula becomes more compact and more broadly wearable, which is a large part of why this reference has landed so well with buyers.
The “Coke” execution adds another layer of appeal. It gives the watch a classic GMT color signature while keeping the overall look clean and highly usable as an everyday sports watch.
🌟 Collector Provenance
The appeal here is rooted in configuration, wearability, and freshness. A Black Bay 58 GMT gives buyers the practicality of a modern Tudor travel watch in a more compact size, and the black-and-red bezel gives it a distinctive identity within the brand’s current lineup.
Examples that include box, papers, and cards remain especially attractive, and a 2025 example in excellent pre-owned condition sits in a very strong lane for a buyer looking for a modern Tudor GMT with broad appeal and daily usability.
🧾 From the Case File
Recovered as a 2025 Tudor Black Bay 58 GMT “Coke” Ref. 7939G1A0NRU-0001. Box, papers, and cards. Excellent pre-owned condition overall. Sized to approximately a 7.5-inch wrist.
🗝️ BST Verdict
Case #390 delivers one of Tudor’s most appealing modern GMT configurations in a highly wearable format. With its compact case, “Coke” bezel, full set presentation, and excellent overall condition, this is a very attractive example of the Black Bay 58 GMT.
👉 Every case deserves a closer look.