Side by side
Helgray Poseidon Diver (Automatic)vsGrand Seiko SLGA001
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
SLGA00146.9mm
Power Reserve
Poseidon Diver (Automatic)—
SLGA001120h
Water Resistance
Poseidon Diver (Automatic)300m
SLGA001—
MSRP
Poseidon Diver (Automatic)$249
SLGA001$11,100
Full specifications
Case
6 specsDiameter
40mm
46.9mm
Thickness
12.8mm
16mm
Lug-to-Lug
0mm
50.8mm
Lug Width
22mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
300m
—
Movement
3 specsCaliber
NH35 Warranty
9RA5
Type
Automatic
Spring Drive
Power Reserve
0h
120h
Pricing
1 specsMSRP
$249
$11,100
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