Watch
by Tudor
Tudor Black Bay One 31
Black Bay · Black Bay One 31
- Case
- 31 mm
- Thickness
- 9.5 mm
- Crystal
- Sapphire
Updated 11 November 2026
About this watch
The Tudor Black Bay One 31 is a 31 mm watch from the Black Bay collection. Its steel case is 9.5 mm thick. It is water resistant to 100 m. The crystal is sapphire.
It comes in 6 versions, with blue, black and champagne dials.
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