Which is cheaper, the Helgray Poseidon Diver (Automatic) or the William Wood Extinguisher Watch?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $995 for the William Wood Extinguisher Watch — a $746 gap before any retailer discounting.

Which is bigger, the Helgray Poseidon Diver (Automatic) or the William Wood Extinguisher Watch?

The William Wood Extinguisher Watch wears larger at 41mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 1mm difference across the dial.

Which has better water resistance, the Helgray Poseidon Diver (Automatic) or the William Wood Extinguisher Watch?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 100m for the William Wood Extinguisher Watch.

What movement does the Helgray Poseidon Diver (Automatic) run compared to the William Wood Extinguisher Watch?

Both watches run automatic movements — the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty and the William Wood Extinguisher Watch uses the Seiko NH35.

Side by side

Helgray Poseidon Diver (Automatic)vsWilliam Wood Extinguisher Watch

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

William Wood Extinguisher Watch

extinguisherwatch

MSRP $995

At a glance

9 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

Extinguisher Watch41mm

Power Reserve

Poseidon Diver (Automatic)40h

Extinguisher Watch40h

Water Resistance

Poseidon Diver (Automatic)300m

Extinguisher Watch100m

MSRP

Poseidon Diver (Automatic)$249

Extinguisher Watch$995

Full specifications

Case

5 specs

Diameter

40mm

41mm

Thickness

12mm

15mm

Lug-to-Lug

46mm

49mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

300m

100m

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Standard

Movement

1 specs

Caliber

NH35 Warranty

Seiko NH35

Pricing

1 specs

MSRP

$249

$995

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