M7939G1A0NRU-0001
Black Bay 58 GMT
Manufacture Calibre MT5450-U (COSC and METAS certified)
39mm Steel case
Steel bracelet



SWISS MADE
Swiss Made

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%

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

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

POWER RESERVE
65-hour power reserve



SWISS MADE
Swiss Made

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%

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

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

POWER RESERVE
65-hour power reserve
WATCH SPECIFICATIONS
Reference: M7939G1A0NRU-0001
Five year Guarantee
Five-year transferable guarantee with no registration or periodic maintenance checks required

Case
39mm stainless steel case with polished and satin finishes
Lugs: 20mm lug width
Case thickness: 12.8mm
Lugs: 20mm lug width
Case thickness: 12.8mm

Movement
Manufacture Calibre MT5450-U (COSC and METAS certified)
Self-winding mechanical movement with bidirectional rotor system Integrated GMT function
Self-winding mechanical movement with bidirectional rotor system Integrated GMT function

Power Reserve
Certified 65 hours by METAS

Winding Crown
Stainless steel screw-down winding crown with the TUDOR rose in relief

Waterproofness
Waterproof to 200m (660 ft)

Bezel
24-hour bidirectional rotatable bezel in stainless steel with black and burgundy anodised aluminium insert

Dial
Black, domed, with gilt applied hour markers

Crystal
Domed sapphire crystal

Bracelet
3-link “rivet-style” stainless steel bracelet with polished and satin finishes with TUDOR “T-fit” clasp

Five year Guarantee
Five-year transferable guarantee with no registration or periodic maintenance checks required

Case
39mm stainless steel case with polished and satin finishes
Lugs: 20mm lug width
Case thickness: 12.8mm
Lugs: 20mm lug width
Case thickness: 12.8mm

Movement
Manufacture Calibre MT5450-U (COSC and METAS certified)
Self-winding mechanical movement with bidirectional rotor system Integrated GMT function
Self-winding mechanical movement with bidirectional rotor system Integrated GMT function

Power Reserve
Certified 65 hours by METAS

Winding Crown
Stainless steel screw-down winding crown with the TUDOR rose in relief

Waterproofness
Waterproof to 200m (660 ft)

Bezel
24-hour bidirectional rotatable bezel in stainless steel with black and burgundy anodised aluminium insert

Dial
Black, domed, with gilt applied hour markers

Crystal
Domed sapphire crystal

Bracelet
3-link “rivet-style” stainless steel bracelet with polished and satin finishes with TUDOR “T-fit” clasp