Side by side
Oak & Oscar The Humboldt GMT USSS EditionvsSerket Watch Co Reef
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
The Humboldt GMT USSS Edition39.5mm
Reef46mm
Power Reserve
The Humboldt GMT USSS Edition56 hoursh
Reef38h
Water Resistance
The Humboldt GMT USSS Edition200m
Reef300m
MSRP
The Humboldt GMT USSS Edition$2,200
Reef$899
Full specifications
Case
8 specsCategory
GMT
—
Diameter
39.5mm
46mm
Thickness
12.5mm
14mm
Lug-to-Lug
46.8mm
52mm
Lug Width
20mm
24mm
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
None
Movement
2 specsCaliber
Sellita SW330-2
Sellita SW200-1
Power Reserve
56 hoursh
38h
Pricing
1 specsMSRP
$2,200
$899
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