Side by side
Oak & Oscar The Humboldt GMT USSS EditionvsSerket Watch Co Reef X
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
Reef X42.5mm
Power Reserve
The Humboldt GMT USSS Edition56 hoursh
Reef X40h
Water Resistance
The Humboldt GMT USSS Edition200m
Reef X200m
MSRP
The Humboldt GMT USSS Edition$2,200
Reef X$399
Full specifications
Case
7 specsCategory
GMT
—
Diameter
39.5mm
42.5mm
Thickness
12.5mm
12.7mm
Lug-to-Lug
46.8mm
49mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Caseback
Engraved
Solid
Crystal & Dial
3 specsCrystal Shape
Double-domed
Flat
Dial Color
Black
Yellow
Lume
Super-LumiNova BGW9
None
Movement
2 specsCaliber
Sellita SW330
Miyota 8215
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,200
$399
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