Which is cheaper, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGP015?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $3,800 for the Grand Seiko SBGP015 — a $3,551 gap before any retailer discounting.

Which has better water resistance, the Helgray Poseidon Diver (Automatic) or the Grand Seiko SBGP015?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 200m for the Grand Seiko SBGP015.

What movement does the Helgray Poseidon Diver (Automatic) run compared to the Grand Seiko SBGP015?

The Helgray Poseidon Diver (Automatic) runs a automatic caliber (NH35 Warranty), while the Grand Seiko SBGP015 runs a quartz (9F85).

Side by side

Helgray Poseidon Diver (Automatic)vsGrand Seiko SBGP015

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 SBGP015

sbgp015g

MSRP $3,800

At a glance

7 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

SBGP01540mm

Power Reserve

Poseidon Diver (Automatic)40h

SBGP01540h

Water Resistance

Poseidon Diver (Automatic)300m

SBGP015200m

MSRP

Poseidon Diver (Automatic)$249

SBGP015$3,800

Full specifications

Case

3 specs

Thickness

12mm

12.4mm

Lug-to-Lug

46mm

47.1mm

Water Resistance

300m

200m

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

2 specs

Caliber

NH35 Warranty

9F85

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$249

$3,800

Follow this matchup

Get a note when Helgray Poseidon Diver (Automatic) vs Grand Seiko SBGP015 gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring