Which is cheaper, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGR261?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $4,900 for the Grand Seiko SBGR261 — a $4,651 gap before any retailer discounting.

Which is bigger, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGR261?

The Helgray Poseidon Diver (Automatic) wears larger at 40mm versus 39.5mm for the Grand Seiko SBGR261 — a 0.5mm difference across the dial.

Which has better water resistance, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGR261?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 30m for the Grand Seiko SBGR261.

Which has a longer power reserve, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGR261?

The Grand Seiko SBGR261 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 SBGR261?

Both watches run automatic movements — the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty and the Grand Seiko SBGR261 uses the 9S65.

Side by side

Helgray Poseidon Diver (Automatic)vsGrand Seiko SBGR261

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 SBGR261

sbgr261g

MSRP $4,900

At a glance

10 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

SBGR26139.5mm

Power Reserve

Poseidon Diver (Automatic)40h

SBGR26172h

Water Resistance

Poseidon Diver (Automatic)300m

SBGR26130m

MSRP

Poseidon Diver (Automatic)$249

SBGR261$4,900

Full specifications

Case

6 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

2 specs

Caliber

NH35 Warranty

9S65

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$249

$4,900

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