Side by side
Helgray Poseidon Diver (Automatic)vsGrand Seiko SBGA413
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
The bottom line
Profile favors the Poseidon Diver (Automatic) at 12mm thick versus 12.8mm on the SBGA413, so it slips under a cuff with less fuss.
Check prices & track
Helgray Poseidon Diver (Automatic)
MSRP $249
Grand Seiko SBGA413
MSRP $7,200
At a glance
11 of 29 specs differDiameter
Poseidon Diver (Automatic)40mm
SBGA41340mm
Power Reserve
Poseidon Diver (Automatic)40h
SBGA41372h
Water Resistance
Poseidon Diver (Automatic)300m
SBGA413100m
MSRP
Poseidon Diver (Automatic)$249
SBGA413$7,200
Full specifications
Case
6 specsCategory
Diver
Dress
Thickness
12mm
12.8mm
Lug-to-Lug
46mm
47mm
Lug Width
20mm
21mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m
Crystal & Dial
1 specsAR Coating
Inner
Yes
Movement
3 specsCaliber
NH35 Warranty
9R65
Type
Automatic
Spring Drive
Power Reserve
40h
72h
Pricing
1 specsMSRP
$249
$7,200
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