Side by side
Oak & Oscar The Humboldt GMT SAR EditionvsVaer D4 Outerknown Solar Diver
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
The Humboldt GMT SAR Edition39.5mm
D4 Outerknown Solar Diver39mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
D4 Outerknown Solar Diver40h
Water Resistance
The Humboldt GMT SAR Edition200m
D4 Outerknown Solar Diver200m
MSRP
The Humboldt GMT SAR Edition$2,950
D4 Outerknown Solar Diver$549
Full specifications
Case
6 specsCategory
GMT
Diver
Diameter
39.5mm
39mm
Thickness
12.5mm
13.18mm
Lug-to-Lug
46.8mm
46mm
Material
Grade 5 Titanium
316L Stainless Steel
Caseback
Solid screw-down
Solid
Crystal & Dial
5 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
Black
Blue
Lume
Super-LumiNova
None
Movement
4 specsCaliber
Sellita SW330
—
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,950
$549
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