Which is cheaper, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SLGA019?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $11,000 for the Grand Seiko SLGA019 — a $10,751 gap before any retailer discounting.

Which has better water resistance, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SLGA019?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 100m for the Grand Seiko SLGA019.

Which has a longer power reserve, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SLGA019?

The Grand Seiko SLGA019 carries a 120-hour power reserve against 40 hours on the Helgray Poseidon Diver (Automatic).

What movement does the Helgray Poseidon Diver (Automatic) run compared to the Grand Seiko SLGA019?

The Helgray Poseidon Diver (Automatic) runs a automatic caliber (NH35 Warranty), while the Grand Seiko SLGA019 runs a spring drive (9RA2).

Side by side

Helgray Poseidon Diver (Automatic)vsGrand Seiko SLGA019

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 SLGA019

slga019g

MSRP $11,000

At a glance

11 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

SLGA01940mm

Power Reserve

Poseidon Diver (Automatic)40h

SLGA019120h

Water Resistance

Poseidon Diver (Automatic)300m

SLGA019100m

MSRP

Poseidon Diver (Automatic)$249

SLGA019$11,000

Full specifications

Case

6 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

3 specs

Caliber

NH35 Warranty

9RA2

Type

Automatic

Spring Drive

Power Reserve

40h

120h

Pricing

1 specs

MSRP

$249

$11,000

Follow this matchup

Get a note when Helgray Poseidon Diver (Automatic) vs Grand Seiko SLGA019 gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring