Side by side
Helgray Poseidon Diver (Automatic)vsSerket Watch Co Blackpool GMT
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
Blackpool GMT40mm
Power Reserve
Poseidon Diver (Automatic)40h
Blackpool GMT—
Water Resistance
Poseidon Diver (Automatic)300m
Blackpool GMT200m
MSRP
Poseidon Diver (Automatic)$249
Blackpool GMT$379
Full specifications
Case
4 specsCategory
Diver
—
Thickness
12mm
11.5mm
Lug-to-Lug
46mm
47mm
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
Black
Beige
Lume
None
SuperLuminova
Movement
2 specsCaliber
NH35 Warranty
Seiko NH34
Power Reserve
40h
—
Pricing
1 specsMSRP
$249
$379
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