Which is cheaper, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGP009?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $3,100 for the Grand Seiko SBGP009 — a $2,851 gap before any retailer discounting.

Which has better water resistance, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGP009?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 100m for the Grand Seiko SBGP009.

What movement does the Helgray Poseidon Diver (Automatic) run compared to the Grand Seiko SBGP009?

The Helgray Poseidon Diver (Automatic) runs a automatic caliber (NH35 Warranty), while the Grand Seiko SBGP009 runs a quartz (9F85).

Side by side

Helgray Poseidon Diver (Automatic)vsGrand Seiko SBGP009

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

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

Grand Seiko SBGP009

sbgp009g

MSRP $3,100

At a glance

8 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

SBGP00940mm

Power Reserve

Poseidon Diver (Automatic)40h

SBGP00940h

Water Resistance

Poseidon Diver (Automatic)300m

SBGP009100m

MSRP

Poseidon Diver (Automatic)$249

SBGP009$3,100

Full specifications

Case

4 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

2 specs

Caliber

NH35 Warranty

9F85

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$249

$3,100

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