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The Tudor Black Bay One 31 S&G is praised for its quiet luxury, combining brushed steel and warm gold accents for understated charm. Owners appreciate the brushed gold for a casual two-tone look and the champagne dial's surprising legibility. Some find the case sides too thick, and one user expressed a desire for a smaller S&G variant. The watch features the MT5612 movement with a 70-hour power reserve and a date function, within a 200-meter water-resistant case. Overall, owners and reviewers highlight the Tudor Black Bay One 31 S&G's balanced two-tone aesthetic as its primary appeal.
1 Variant
Retail MSRP
$6,850
Low
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Avg
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Static data
Case
31mm
Power Reserve
50h
Movement
Automatic
Water Resistance
100m
01
Case Dimensions
Diameter31mm
Thickness9.5mm
Lug-to-Lug—
Lug Width17mm
02
Case Build
MaterialStainless Steel
FinishPolished + Satin
Water Resistance100m
CasebackSolid screw-down
03
Crystal & Dial
CrystalSapphire
Dial ColorBlack
04
Movement
Caliber
TypeAutomatic
Beat Rate—
Power Reserve50 hours
Jewels—
HackingNo
Hand-WindingNo
ComplicationsTime only
05
Design Language
Dial styleMatte
BezelFixed
Bracelet / strapLug-attached bracelet
HandsMercedes
AI-detected from product image · 5/22/2026
In a nutshell
The Tudor Black Bay One 31 S&G (ref. m79603-0001) is an automatic watch, with a 31mm stainless steel case, 9.5mm thick, powered by the MT5201 movement and a 50-hour power reserve. Water resistance is rated to 100m, under a sapphire crystal. Manufacturer MSRP is $6,850.