Which is cheaper, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGE253?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $6,900 for the Grand Seiko SBGE253 — a $6,651 gap before any retailer discounting.

Which is bigger, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGE253?

The Grand Seiko SBGE253 wears larger at 40.5mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 0.5mm difference across the dial.

Which has better water resistance, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGE253?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 200m for the Grand Seiko SBGE253.

Which has a longer power reserve, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGE253?

The Grand Seiko SBGE253 carries a 72-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 SBGE253?

The Helgray Poseidon Diver (Automatic) runs a automatic caliber (NH35 Warranty), while the Grand Seiko SBGE253 runs a spring drive (9R66).

Side by side

Helgray Poseidon Diver (Automatic)vsGrand Seiko SBGE253

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 SBGE253

sbge253g

MSRP $6,900

At a glance

10 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

SBGE25340.5mm

Power Reserve

Poseidon Diver (Automatic)40h

SBGE25372h

Water Resistance

Poseidon Diver (Automatic)300m

SBGE253200m

MSRP

Poseidon Diver (Automatic)$249

SBGE253$6,900

Full specifications

Case

5 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

3 specs

Caliber

NH35 Warranty

9R66

Type

Automatic

Spring Drive

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$249

$6,900

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