Side by side

Hemel HD24 AutomaticvsHelgray Poseidon Diver (Automatic)

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

HD24 Automatic
HemelHD24 Automatic
MSRP $300
Poseidon Diver (Automatic)
HelgrayPoseidon Diver (Automatic)
MSRP $249

At a glance

8 of 29 specs differ
Diameter
HD24 Automatic40mm
Poseidon Diver (Automatic)40mm
Power Reserve
HD24 Automatic40h
Poseidon Diver (Automatic)40h
Water Resistance
HD24 Automatic200m
Poseidon Diver (Automatic)300m
MSRP
HD24 Automatic$300
Poseidon Diver (Automatic)$249

Full specifications

Case

4 specs
Thickness
13mm
12mm
Lug-to-Lug
48mm
46mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Gallant USAF Edition
Black

Movement

1 specs
Caliber
Seiko NH38A
NH35 Warranty

Pricing

1 specs
MSRP
$300
$249

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