Side by side
Oak & Oscar The Humboldt GMT USSS EditionvsSpinnaker Bradner 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
Bradner GMT42mm
Power Reserve
The Humboldt GMT USSS Edition56 hoursh
Bradner GMT40h
Water Resistance
The Humboldt GMT USSS Edition200m
Bradner GMT180m
MSRP
The Humboldt GMT USSS Edition$2,200
Bradner GMT$299
Full specifications
Case
6 specsDiameter
39.5mm
42mm
Thickness
12.5mm
15mm
Lug-to-Lug
46.8mm
50mm
Lug Width
20mm
22mm
Water Resistance
200m
180m
Caseback
Engraved
Solid
Crystal & Dial
3 specsCrystal Shape
Double-domed
Flat
Dial Color
Black
Brown
Lume
Super-LumiNova BGW9
None
Movement
2 specsCaliber
Sellita SW330
Seiko NH34A
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,200
$299
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