Side by side
Oak & Oscar The Humboldt GMT USSS EditionvsFormex Reef 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
Reef GMT42mm
Power Reserve
The Humboldt GMT USSS Edition56 hoursh
Reef GMT56h
Water Resistance
The Humboldt GMT USSS Edition200m
Reef GMT300m
MSRP
The Humboldt GMT USSS Edition$2,200
Reef GMT$2,235
Full specifications
Case
7 specsDiameter
39.5mm
42mm
Thickness
12.5mm
11.4mm
Lug-to-Lug
46.8mm
47mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
300m
Caseback
Engraved
Solid
Crystal & Dial
2 specsCrystal Shape
Double-domed
Flat
Lume
Super-LumiNova BGW9
Super-LumiNova
Movement
2 specsCaliber
Sellita SW330
Sellita SW330-2
Power Reserve
56 hoursh
56h
Pricing
1 specsMSRP
$2,200
$2,235
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