Side by side
Helgray Poseidon Diver (Automatic)vsZero West S4 Blackout P9427 Spitfire
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Poseidon Diver (Automatic)40mm
S4 Blackout P9427 Spitfire44mm
Power Reserve
Poseidon Diver (Automatic)40h
S4 Blackout P9427 Spitfire38h
Water Resistance
Poseidon Diver (Automatic)300m
S4 Blackout P9427 Spitfire100m
MSRP
Poseidon Diver (Automatic)$249
S4 Blackout P9427 Spitfire—
Full specifications
Case
6 specsCategory
Diver
—
Diameter
40mm
44mm
Thickness
12mm
14.1mm
Lug-to-Lug
46mm
49.6mm
Lug Width
20mm
22mm
Water Resistance
300m
100m
Movement
2 specsCaliber
NH35 Warranty
ETA 2824
Power Reserve
40h
38h
Pricing
1 specsMSRP
$249
—
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