Side by side
Hemel HD24 AutomaticvsOak & Oscar The Humboldt 12-hr
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
HD24 Automatic40mm
The Humboldt 12-hr39.5mm
Power Reserve
HD24 Automatic40h
The Humboldt 12-hr42 hoursh
Water Resistance
HD24 Automatic200m
The Humboldt 12-hr200m
MSRP
HD24 Automatic$300
The Humboldt 12-hr$1,750
Full specifications
Case
5 specsCategory
Diver
Tool
Diameter
40mm
39.5mm
Thickness
13mm
12.4mm
Lug-to-Lug
48mm
46.8mm
Caseback
Solid
Solid screw-down
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
Gallant USAF Edition
Grey
Lume
None
Super-LumiNova
Movement
5 specsCaliber
Seiko NH38A
ETA 2892A2
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
42 hoursh
Jewels
25
21
Complications
None
GMT, Chronograph, Date
Pricing
1 specsMSRP
$300
$1,750
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