Side by side
Tudor Black Bay 54vsVaer D4 Outerknown Solar Diver
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
Black Bay 5437mm
D4 Outerknown Solar Diver39mm
Power Reserve
Black Bay 5470h
D4 Outerknown Solar Diver40h
Water Resistance
Black Bay 54200m
D4 Outerknown Solar Diver200m
MSRP
Black Bay 54$4,725
D4 Outerknown Solar Diver$549
Full specifications
Case
5 specsDiameter
37mm
39mm
Thickness
11.2mm
13.18mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
—
Flat
AR Coating
—
Inner
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
$549
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