Side by side
Helgray Poseidon Diver (Automatic)vsShiro Kara RCF Stormtrooper
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Poseidon Diver (Automatic)40mm
RCF Stormtrooper39mm
Power Reserve
Poseidon Diver (Automatic)40h
RCF Stormtrooper41h
Water Resistance
Poseidon Diver (Automatic)300m
RCF Stormtrooper100m
MSRP
Poseidon Diver (Automatic)$249
RCF Stormtrooper$448
Full specifications
Case
6 specsCategory
Diver
—
Diameter
40mm
39mm
Thickness
12mm
11.9mm
Lug-to-Lug
46mm
47.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
1 specsDial Color
Black
—
Movement
2 specsCaliber
NH35 Warranty
Seiko NH35
Power Reserve
40h
41h
Pricing
1 specsMSRP
$249
$448
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