Black Bay 41mm M79230B-0008

41mm steel case, Rivet 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
41mm steel case with polished and satin finish
Movement
Manufacture Calibre MT5602 (COSC) Self-winding mechanical movement with bidirectional rotor system
Power Reserve
Power reserve of approximately 70 hours
Winding Crown
Screw-down steel winding crown, with the TUDOR rose engraved and black-lacquered, with blue anodised aluminium winding crown tube
Waterproofness
Waterproof to 200m (660 ft)
Bezel
Steel unidirectional rotatable bezel with disc in matt blue anodised aluminium
Dial
Black with grey index, domed
Crystal
Domed sapphire crystal
Bracelet
Riveted steel bracelet with polished and satin finish with folding clasp and safety catch

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