Side by side
Tudor Black Bay 54vsYema Radiance
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
21 of 29 specs differDiameter
Black Bay 5437mm
Radiance30mm
Power Reserve
Black Bay 5470h
Radiance40h
Water Resistance
Black Bay 54200m
Radiance30m
MSRP
Black Bay 54$4,725
Radiance$279
Full specifications
Case
9 specsCategory
Diver
Dress
Diameter
37mm
30mm
Thickness
11.2mm
6.3mm
Lug-to-Lug
46mm
—
Lug Width
20mm
14mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Water Resistance
200m
30m
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal Shape
—
Flat
AR Coating
—
Inner
Dial Color
Blue
Black
Lume
Super-LumiNova
None
Movement
7 specsCaliber
MT5400
—
Type
Automatic
Quartz
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Pricing
1 specsMSRP
$4,725
$279
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