Tudor Black Bay GMT "Pepsi" (ref. M79830RB)
Tudor · Automatic
Overview
The Tudor Black Bay GMT (reference M79830RB) is a stainless steel travel watch introduced at Baselworld 2018 as Tudor's first watch with a GMT function. It combines the Black Bay dive-watch design with a dual-time-zone complication driven by Tudor's in-house, COSC-certified calibre MT5652, a 'flyer' GMT whose local hour hand is independently adjustable. The 41mm case carries a bidirectional 24-hour red-and-blue 'Pepsi' bezel, is water resistant to 200m, and the movement holds a roughly 70-hour power reserve.
Specifications
M79830RB| Case | |
| Case diameter | 41 mm |
|---|---|
| Thickness | 14.6 mm |
| Lug-to-lug | 50 mm |
| Movement | |
| Movement | Automatic (self-winding mechanical) |
| Caliber | Manufacture Calibre MT5652 |
| Water resistance | |
| Water resistance | 200 m |
| Details | |
| Lume | Luminescent hour markers and hands |
| Bezel | Bidirectional rotatable 48-notch steel bezel with 24-hour graduated anodized aluminium disc in matte burgundy and blue |
| Hands | Snowflake hour and minute hands; red 24-hour GMT hand |
| Jewels | 28 |
| Crystal | Domed sapphire |
| Bracelet | Riveted steel bracelet with folding clasp and safety catch; leather and fabric strap options also offered |
| Reference | M79830RB |
| Dial color | Black (domed) |
| Gmt function | Flyer GMT — independently adjustable, jumping local hour hand plus a 24-hour hand |
| Lug width mm | 22 |
| Release year | 2018 |
| Case material | Stainless steel with polished and satin finish |
| Frequency vph | 28800 |
| Cosc certified | true |
| Price chf launch | CHF 3,700 (bracelet) / CHF 3,400 (strap) |
| Movement dimensions | 31.8mm x 7.52mm |
| Power reserve hours | 70 |
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Retailer search links · availability variesFrequently asked questions
Is the Tudor Black Bay GMT "Pepsi" (ref. M79830RB) M79830RB automatic?
Yes, the Tudor Black Bay GMT "Pepsi" (ref. M79830RB) M79830RB is powered by an automatic (self-winding) movement, caliber Manufacture Calibre MT5652.
Is the Tudor Black Bay GMT "Pepsi" (ref. M79830RB) M79830RB waterproof?
It is rated to 200 m (20 ATM) of water resistance. "Waterproof" is not an official watch rating; this depth rating describes its resistance to water pressure under the noted conditions.
What size is the Tudor Black Bay GMT "Pepsi" (ref. M79830RB) M79830RB?
The Tudor Black Bay GMT "Pepsi" (ref. M79830RB) M79830RB has a case diameter of 41 mm, a thickness of 14.6 mm, and a lug-to-lug distance of 50 mm.
How much does the Tudor Black Bay GMT "Pepsi" (ref. M79830RB) M79830RB cost?
The Tudor Black Bay GMT "Pepsi" (ref. M79830RB) M79830RB launched at a manufacturer's suggested retail price (MSRP) of $3,900 USD. Current market prices may differ — check the retailer links on this page for up-to-date availability.
Sources
Verified · 6 referencesEvery spec on this page was independently checked against the sources below before publishing.