LoupeLabTudor Black Bay Fifty-Eight Stainless Steel / Burgundy / Rubber“BB58”
Ref. M7939A1A0RU-0003
The Tudor Black Bay Fifty-Eight was introduced at BaselWorld 2018. Compared to the original Black Bay the case size is reduced in both diameter as well as height, and it is powered by the self-winding MT5402 which was introduced simultaneously. Reference M7939A1A0RU-0003 has a stainless steel case paired with a Red dial and bezel. It was added to the collection in 2025.
Diameter39mm
Thickness11.9mm
Water Resistance200m
Power Reserve70hrs
Case & Dimensions
Diameter39 mm
Thickness11.9 mm
MaterialStainless Steel
Water Resistance200 m
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Movement
CaliberTudor MT5402
ManufacturerTudor
TypeAutomatic
Power Reserve70 hours
Frequency28,800 bph
Accuracy+1 s/day
Jewels26
Lift Angle52°
Complicationshoursminutessecondschronometer
Also Known As
Cal. MT5402CaliberMT5402Caliber
Production
StatusCurrent Production
Authentication Intelligence
Authentication Markers (21)
Bezel Detail(4)case_detail(2)Crown Detail(3)Dial Detail(9)Lume DetailMovement TellSerial Number Format