Side by side
Oak & Oscar The Humboldt GMT USSS EditionvsJack Mason Strat-o-timer GMT
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
Strat-o-timer GMT40mm
Power Reserve
The Humboldt GMT USSS Edition56 hoursh
Strat-o-timer GMT42h
Water Resistance
The Humboldt GMT USSS Edition200m
Strat-o-timer GMT200m
MSRP
The Humboldt GMT USSS Edition$2,200
Strat-o-timer GMT$1,099
Full specifications
Case
6 specsCategory
GMT
—
Diameter
39.5mm
40mm
Thickness
12.5mm
13.2mm
Lug-to-Lug
46.8mm
47mm
Material
316L Stainless Steel
Stainless Steel
Caseback
Engraved
Solid
Crystal & Dial
3 specsCrystal Shape
Double-domed
Flat
Dial Color
Black
—
Lume
Super-LumiNova BGW9
None
Movement
2 specsCaliber
Sellita SW330
Miyota 9075
Power Reserve
56 hoursh
42h
Pricing
1 specsMSRP
$2,200
$1,099
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