Side by side
Tudor Black Bay One 31 S&GvsYema Radiance
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Black Bay One 31 S&G31mm
Radiance30mm
Power Reserve
Black Bay One 31 S&G50h
Radiance40h
Water Resistance
Black Bay One 31 S&G100m
Radiance30m
MSRP
Black Bay One 31 S&G$6,850
Radiance$279
Full specifications
Case
9 specsCategory
—
Dress
Diameter
31mm
30mm
Thickness
9.5mm
6.3mm
Lug-to-Lug
46mm
—
Lug Width
17mm
14mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid screw-down
Solid
Movement
3 specsCaliber
MT5201
—
Type
Automatic
Quartz
Power Reserve
50h
40h
Pricing
1 specsMSRP
$6,850
$279
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