Ref. M79830RB-0001
Black Bay GMT
Tudor
“Pepsi”
Case 41mm
Material Stainless steel
Year 2018
From $3,800
The Tudor Black Bay GMT M79830RB-0001, affectionately known as the Pepsi, features a distinctive burgundy and blue rotating bezel that tracks a second time zone. Its 41mm stainless steel case houses the MT5652 manufacture movement with an independently adjustable GMT hand and 70 hours of power reserve. The dual-color bezel and snowflake hands make it one of the most popular GMT watches at any price point.
Below AverageTudorBlack Bay GMTtudor
Retail Price
$4,600
Market Value
$3,800
Price Analysis
Retail (MSRP)$4,600
Market Range$3,500 – $4,100
$3,500$4,100
Average Market Price$3,800
Premium vs Retail-17.4%
Price TrendFalling
Last updated: 2026-02-14
Flip Potential
2out of 10
Below Average
Premium over retail-17.4%
Market trenddown
Potential profit (est.)-$800
Specifications
Complete technical details for the Tudor Black Bay GMT
Case
- Diameter
- 41mm
- Thickness
- 14.8mm
- Material
- Stainless steel
- Bezel
- Bidirectional rotating bezel with anodized aluminium insert in burgundy and blue
- Crystal
- Sapphire crystal
- Water Resistance
- 200m / 660ft
Movement
- Calibre
- Tudor Calibre MT5652
- Type
- Automatic
- Power Reserve
- 70 hours
Bracelet
- Bracelet
- Stainless steel with riveted-style links
- Clasp
- Folding clasp with safety catch
- Lug Width
- 22mm
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