TUDOR Black Bay 31 M79600-0003

31mm steel case, Steel bracelet
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Swiss Made

Swiss Made

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Precision

Certification by the Swiss Official Chronometer Testing Institute (COSC)
Precision at two temperatures, in six different positions and at two different levels of power reserve: 100% and 33%

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Anti-Magnetism

Smooth functioning when exposed to a magnetic field of 15,000 gauss and precision following exposure

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Waterproofness

Waterproof to 200 m (660 ft) in accordance with ISO standard

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Power Reserve

70-hour power reserve

Five year Guarantee
Five-year transferable guarantee with no registration or periodic maintenance checks required
Case
31mm stainless steel case with polished and satin finish
Movement
Manufacture Calibre MT5201 (COSC) Self-winding mechanical movement with bidirectional rotor system Integrated construction
Power Reserve
Power reserve of approximately 70 hours
Winding Crown
Screw-down crown with the TUDOR rose in relief
Waterproofness
Waterproof to 100m (330 ft)
Bezel
Stainless steel bezel with polished and satin finish
Dial
Light champagne-colour
Crystal
Flat sapphire crystal
Bracelet
Stainless steel bracelet, polished and satin finish, with “T-fit” folding clasp and safety catch

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