Side by side

Hemel HD24 AutomaticvsOak & Oscar The Humboldt GMT SAR Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

HD24 Automatic
HemelHD24 Automatic
MSRP $300
The Humboldt GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950

At a glance

15 of 29 specs differ
Diameter
HD24 Automatic40mm
The Humboldt GMT SAR Edition39.5mm
Power Reserve
HD24 Automatic40h
The Humboldt GMT SAR Edition56 hoursh
Water Resistance
HD24 Automatic200m
The Humboldt GMT SAR Edition200m
MSRP
HD24 Automatic$300
The Humboldt GMT SAR Edition$2,950

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
39.5mm
Thickness
13mm
12.5mm
Lug-to-Lug
48mm
46.8mm
Material
316L Stainless Steel
Grade 5 Titanium
Caseback
Solid
Solid screw-down

Crystal & Dial

5 specs
Crystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
Gallant USAF Edition
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Seiko NH38A
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56 hoursh

Pricing

1 specs
MSRP
$300
$2,950

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