Side by side
Oak & Oscar The Humboldt GMT USSS EditionvsZelos Helmsman 3
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
Helmsman 340mm
Power Reserve
The Humboldt GMT USSS Edition56 hoursh
Helmsman 340h
Water Resistance
The Humboldt GMT USSS Edition200m
Helmsman 3200m
MSRP
The Humboldt GMT USSS Edition$2,200
Helmsman 3$529
Full specifications
Case
5 specsCategory
GMT
Diver
Diameter
39.5mm
40mm
Thickness
12.5mm
11.5mm
Lug-to-Lug
46.8mm
40mm
Caseback
Engraved
Solid
Crystal & Dial
4 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
Double-domed
Flat
Dial Color
Black
SS - Frost
Lume
Super-LumiNova BGW9
None
Movement
2 specsCaliber
Sellita SW330
Miyota 9015
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,200
$529
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