Case
- Material
- stainless steel
- Diameter in mm
- 37 mm
- Case back
- stainless steel
- Watch glass
- sapphire crystal
- Bezel material
- aluminum
- Diamond bezel
- No
- Water resistance
- 20 bar
Movement
- Movement type
- automatic
- Caliber
- MT5400
- Manufacture caliber
- Power Reserve
- 70 Hours
Functions
- Second
- center seconds hand
Dial
- Dial color
- black
- Hour marker
- hour markers
Strap
- Bracelet material
- stainless steel
- Clasp material
- stainless steel
- Clasp color
- folding clasp
Manufacturer specifications
- Reference
- M79000N-0001
- Warranty
- 5 years’ manufacturer warranty plus 1 year Wempe warranty
- Certification
- COSC
The Black Bay 54 is the most true-to-form example of TUDOR’s first dive watch, the reference 7922. The 37mm case retains the classic proportions of yesteryear yet boasts the technical prowess of TUDOR’s time-only Manufacture Calibre MT5400 and a 200m depth rating.











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