
Ref. M7939A1A0RU-0003
The Tudor Black Bay 58, reference M7939A1A0RU-0003, is a dive watch with a 39mm steel case. It measures 11.7mm thick, with polished and satin finishes and a 20mm lug width. A unidirectional rotating bezel in steel with an anodised aluminium insert surrounds the burgundy domed dial, which sits under a domed sapphire crystal. Inside is the manufacture calibre MT5400-U, a self-winding movement certified as a Master Chronometer with 65 hours of power reserve. Hands and indices carry luminous treatment, and a screw-down crown protects the movement. The watch comes on a rubber strap fitted with a steel folding clasp. At 200 metres, its water resistance is well suited to diving.
TECHNICAL SPECIFICATIONS
GENERAL
Gender
Men
CASE
Diameter
39mm
Thickness
11.7mm
Lug Width
20mm
Case Material
Steel
Water Resistance
200m
Crystal
Sapphire Crystal
Bezel Material
Steel
MOVEMENT
Movement Type
Automatic
Caliber
MT5400-U
Power Reserve
65h
Frequency
28,800 vph
Jewels
27 jewels
DIAL
Dial Color
Burgundy
BRACELET/STRAP
Bracelet/Strap
Rubber
Clasp Type
Fold Clasp
Clasp Material
Steel
