Tudor · Family: Black Bay
The Tudor Black Bay GMT M79830RB-0001 is the second-time-zone GMT of the Black Bay collection, introduced at Baselworld 2018: a 41mm steel case, bidirectional matte aluminium bezel in burgundy and blue, snowflake hands, and the in-house Calibre MT5652 with COSC certification, jumping local hour, and 70 hours of reserve. Cazador has no verified price observations for this reference yet (n=0).
Estimated range: €3,790 – €4,046
Based on 7 real observations (2020-10-20 – 2026-01-04), converted to EUR using the ECB historical rate for each date. Small sample — the range will narrow as more data arrives.
Official catalog price by year, captured in archive.org snapshots and matched to the exact reference in the brand's own data. Every row links to its snapshot so you can verify it.
| Year | List price | Source |
|---|---|---|
| 2020 | 4,050 USD | Tudor · view snapshot |
| 2021 | 4,050 USD | Tudor · view snapshot |
| 2022 | 4,175 USD | Tudor · view snapshot |
| 2023 | 4,375 USD | Tudor · view snapshot |
| 2024 | 4,375 USD | Tudor · view snapshot |
| 2025 | 4,550 USD | Tudor · view snapshot |
| 2026 | 4,680 USD | Tudor · view snapshot |
Tudor introduced the Black Bay GMT at Baselworld 2018, the same fair where Rolex launched its steel "Pepsi" GMT-Master II. The coincidence was no accident: the sister brand offered the burgundy-blue combination with vintage styling, an in-house calibre, and a far lower price, and the model became one of the most talked-about launches of the year.
The Tudor-developed Calibre MT5652 is a true "traveler's" GMT: the local hour hand jumps in one-hour increments without stopping the watch, while the snowflake GMT hand and 24-hour bezel keep home-time reference.
The aesthetic recipe draws on the Tudor divers of the fifties and sixties that define the whole Black Bay line: snowflake hands and markers, a 41mm case with satin flanks, and a historically inspired riveted bracelet.
In Cazador's catalog it rounds out the Black Bay family alongside the BB58, the Chrono, and company: the second-time-zone option with manufacture mechanics without leaving the collection's aesthetic universe.
Cazador has no verified price observations for this reference (0 PricePoints recorded as of today). We do not publish estimates without our own sourced market data.
A traveler's GMT: the MT5652's local hour hand jumps independently in one-hour steps, so you can adjust the time zone on landing without stopping the watch.
No, it's a matte anodised aluminium disc in burgundy and blue, a deliberate vintage-styling choice consistent with the rest of the Black Bay line.
They share a corporate group and debuted the same year with a similar two-tone combination, but the Tudor uses its own MT5652 calibre, a different case, and its own snowflake aesthetic.
Yes, it inherits the 200-meter water resistance of the Black Bay divers, with a screw-down crown; fine for swimming and snorkeling.
Hans Wilsdorf registered the brand in 1926 as Rolex's sister; since 2015 it has used in-house manufacture calibres like this GMT's MT5652.