Side by side
Oak & Oscar The Humboldt GMT USSS EditionvsZelos Spearfish GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
The Humboldt GMT USSS Edition39.5mm
Spearfish GMT40mm
Power Reserve
The Humboldt GMT USSS Edition56 hoursh
Spearfish GMT40h
Water Resistance
The Humboldt GMT USSS Edition200m
Spearfish GMT200m
MSRP
The Humboldt GMT USSS Edition$2,200
Spearfish GMT$999
Full specifications
Case
4 specsDiameter
39.5mm
40mm
Thickness
12.5mm
13mm
Lug-to-Lug
46.8mm
40mm
Caseback
Engraved
Solid
Crystal & Dial
3 specsCrystal Shape
Double-domed
Flat
Dial Color
Black
Frost
Lume
Super-LumiNova BGW9
None
Movement
2 specsCaliber
Sellita SW330
Sellita SW330-2
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,200
$999
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