Which is cheaper, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGH263?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $6,200 for the Grand Seiko SBGH263 — a $5,951 gap before any retailer discounting.

Which is bigger, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGH263?

The Helgray Poseidon Diver (Automatic) wears larger at 40mm versus 39.5mm for the Grand Seiko SBGH263 — a 0.5mm difference across the dial.

Which has better water resistance, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGH263?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 30m for the Grand Seiko SBGH263.

Which has a longer power reserve, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGH263?

The Grand Seiko SBGH263 carries a 55-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 SBGH263?

Both watches run automatic movements — the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty and the Grand Seiko SBGH263 uses the 9S85.

Side by side

Helgray Poseidon Diver (Automatic)vsGrand Seiko SBGH263

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 SBGH263

sbgh263g

MSRP $6,200

At a glance

9 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

SBGH26339.5mm

Power Reserve

Poseidon Diver (Automatic)40h

SBGH26355h

Water Resistance

Poseidon Diver (Automatic)300m

SBGH26330m

MSRP

Poseidon Diver (Automatic)$249

SBGH263$6,200

Full specifications

Case

5 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

2 specs

Caliber

NH35 Warranty

9S85

Power Reserve

40h

55h

Pricing

1 specs

MSRP

$249

$6,200

Follow this matchup

Get a note when Helgray Poseidon Diver (Automatic) vs Grand Seiko SBGH263 gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring