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.
At a glance
8 of 29 specs differDiameter
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 specsThickness
13mm
12mm
Lug-to-Lug
48mm
46mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
300m
Crystal & Dial
2 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Gallant USAF Edition
Black
Movement
1 specsCaliber
Seiko NH38A
NH35 Warranty
Pricing
1 specsMSRP
$300
$249
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