Side by side
Tudor Black Bay GMT S&GvsVaer D4 Outerknown Solar Diver
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 GMT S&G41mm
D4 Outerknown Solar Diver39mm
Power Reserve
Black Bay GMT S&G70h
D4 Outerknown Solar Diver40h
Water Resistance
Black Bay GMT S&G200m
D4 Outerknown Solar Diver200m
MSRP
Black Bay GMT S&G$5,825
D4 Outerknown Solar Diver$549
Full specifications
Case
7 specsCategory
GMT
Diver
Diameter
41mm
39mm
Thickness
14.6mm
13.18mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Caseback
Engraved
Solid
Crystal & Dial
5 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
—
Flat
AR Coating
—
Inner
Dial Color
Black
Blue
Indices
—
Applied
Movement
8 specsCaliber
MT5652
—
Type
Automatic
Quartz
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
GMT
None
Pricing
1 specsMSRP
$5,825
$549
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