Side by side
Oak & Oscar The Humboldt GMT USSS EditionvsSheffield 1A 38
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
The Humboldt GMT USSS Edition39.5mm
1A 3838mm
Power Reserve
The Humboldt GMT USSS Edition56 hoursh
1A 38—
Water Resistance
The Humboldt GMT USSS Edition200m
1A 38200m
MSRP
The Humboldt GMT USSS Edition$2,200
1A 38$238
Full specifications
Case
6 specsCategory
GMT
Diver
Diameter
39.5mm
38mm
Thickness
12.5mm
12.8mm
Lug-to-Lug
46.8mm
46mm
Material
316L Stainless Steel
Stainless Steel
Caseback
Engraved
Solid
Crystal & Dial
3 specsCrystal Shape
Double-domed
Flat
Dial Color
Black
Blue
Lume
Super-LumiNova BGW9
None
Movement
2 specsCaliber
Sellita SW330
Seiko NH35
Power Reserve
56 hoursh
—
Pricing
1 specsMSRP
$2,200
$238
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