Side by side
Hemel HD24 AutomaticvsOak & Oscar The Humboldt GMT USSS Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
HD24 Automatic40mm
The Humboldt GMT USSS Edition39.5mm
Power Reserve
HD24 Automatic40h
The Humboldt GMT USSS Edition56 hoursh
Water Resistance
HD24 Automatic200m
The Humboldt GMT USSS Edition200m
MSRP
HD24 Automatic$300
The Humboldt GMT USSS Edition$2,200
Full specifications
Case
5 specsCategory
Diver
GMT
Diameter
40mm
39.5mm
Thickness
13mm
12.5mm
Lug-to-Lug
48mm
46.8mm
Caseback
Solid
Engraved
Crystal & Dial
4 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Double-domed
Dial Color
Gallant USAF Edition
Black
Lume
None
Super-LumiNova BGW9
Movement
2 specsCaliber
Seiko NH38A
Sellita SW330
Power Reserve
40h
56 hoursh
Pricing
1 specsMSRP
$300
$2,200
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