Side by side

Helgray Poseidon Diver (Automatic)vsGrand Seiko SBGK007

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Poseidon Diver (Automatic)
HelgrayPoseidon Diver (Automatic)
MSRP $249
SBGK007
Grand SeikoSBGK007
MSRP $7,300

At a glance

11 of 29 specs differ
Diameter
Poseidon Diver (Automatic)40mm
SBGK00739mm
Power Reserve
Poseidon Diver (Automatic)40h
SBGK00772h
Water Resistance
Poseidon Diver (Automatic)300m
SBGK00730m
MSRP
Poseidon Diver (Automatic)$249
SBGK007$7,300

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40mm
39mm
Thickness
12mm
11.6mm
Lug-to-Lug
46mm
44mm
Lug Width
20mm
19mm
Water Resistance
300m
30m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

3 specs
Caliber
NH35 Warranty
9S63
Type
Automatic
Manual
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$249
$7,300
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Helgray Poseidon Diver (Automatic) vs Grand Seiko SBGK007 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.