Case #438 — Tudor Black Bay GMT “Pepsi” Black Dial Ref. 79830RB

Case #438 — Tudor Black Bay GMT “Pepsi” Black Dial Ref. 79830RB

Status: Active Investigation
Condition: Excellent Pre-Owned
Scope: Box, Papers, and Cards
Year: 2022

🔎 Case Notes

The Tudor Black Bay GMT “Pepsi” Ref. 79830RB is one of the strongest modern travel watches in Tudor’s lineup — a watch that takes the core Black Bay design language and gives it true GMT functionality with the classic burgundy-and-blue bezel that earned it the “Pepsi” nickname.

What makes this reference especially appealing is its balance of utility and familiarity. The black dial keeps the overall look grounded and versatile, while the GMT layout gives the watch a clear travel-ready identity. It feels sporty, practical, and easy to wear without losing the strong wrist presence that defines the Black Bay family.

This example dates to 2022 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: 79830RB
Model: Tudor Black Bay GMT “Pepsi” Black Dial
Case: Stainless Steel
Case Size: 41 mm
Bezel: Bidirectional 24-hour burgundy and blue bezel
Crystal: Sapphire
Dial: Black
Movement: Automatic GMT
Bracelet: Stainless Steel Oyster Bracelet
Bracelet Fit: Approximately 7.5" wrist
Water Resistance: 200 m
Year: 2022
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 brings Tudor’s vintage-inspired sports-watch design language into the travel-watch category, combining familiar Black Bay cues with a true GMT layout. The result is a watch that still feels unmistakably like a Black Bay, but with the added practicality of tracking multiple time zones.

That matters because this watch does not feel like a compromise between categories. It still has the visual strength of a dive-inspired sports watch, but with the functionality of a GMT. The black-dial “Pepsi” version remains the most classic modern expression of that formula.

🌟 Collector Provenance

The appeal here is rooted in recognizability, utility, and broad collector appeal. The Black Bay GMT has built a strong following because it offers what many buyers want in a modern GMT: in-house movement, practical travel function, strong bracelet presence, and a look that feels both familiar and distinctive.

Examples that include box, papers, and cards remain especially attractive, and a 2022 example in excellent pre-owned condition sits in a very strong lane for someone looking for a modern Tudor GMT with broad everyday wearability.

🧾 From the Case File

Recovered as a 2022 Tudor Black Bay GMT “Pepsi” Black Dial Ref. 79830RB. Box, papers, and cards. Excellent pre-owned condition overall. Sized to approximately a 7.5-inch wrist.

🗝️ BST Verdict

Case #438 delivers one of Tudor’s most compelling modern sport-watch references in its most classic GMT configuration. With its black dial, “Pepsi” bezel, full-set presentation, and excellent overall condition, this is a very attractive example of the Black Bay GMT.

👉 Every case deserves a closer look.