Side by side
Oak & Oscar The Humboldt GMT USSS EditionvsSugess Seestern S456 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
Seestern S456 GMT40mm
Power Reserve
The Humboldt GMT USSS Edition56 hoursh
Seestern S456 GMT40h
Water Resistance
The Humboldt GMT USSS Edition200m
Seestern S456 GMT200m
MSRP
The Humboldt GMT USSS Edition$2,200
Seestern S456 GMT$299
Full specifications
Case
5 specsDiameter
39.5mm
40mm
Thickness
12.5mm
13mm
Lug-to-Lug
46.8mm
48.8mm
Material
316L Stainless Steel
Stainless Steel
Caseback
Engraved
Solid
Crystal & Dial
3 specsCrystal Shape
Double-domed
Flat
Dial Color
Black
Blue
Lume
Super-LumiNova BGW9
Tritium
Movement
3 specsCaliber
Sellita SW330
NH34
Power Reserve
56 hoursh
40h
Complications
None
GMT, Date
Pricing
1 specsMSRP
$2,200
$299
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