Which is cheaper, the Helgray Poseidon Diver (Automatic) or the Spinnaker Dumas Automatic?

At MSRP the Spinnaker Dumas Automatic is the cheaper of the two at $239, against $249 for the Helgray Poseidon Diver (Automatic) — a $10 gap before any retailer discounting.

Which is bigger, the Helgray Poseidon Diver (Automatic) or the Spinnaker Dumas Automatic?

The Spinnaker Dumas Automatic wears larger at 44mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 4mm difference across the dial.

What movement does the Helgray Poseidon Diver (Automatic) run compared to the Spinnaker Dumas Automatic?

Both watches run automatic movements — the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty and the Spinnaker Dumas Automatic uses the SII NH35A.

Side by side

Helgray Poseidon Diver (Automatic)vsSpinnaker Dumas Automatic

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

Spinnaker Dumas Automatic

dumas-blue-yonder-sp-5081-dd

MSRP $239

At a glance

8 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

Dumas Automatic44mm

Power Reserve

Poseidon Diver (Automatic)40h

Dumas Automatic40h

Water Resistance

Poseidon Diver (Automatic)300m

Dumas Automatic300m

MSRP

Poseidon Diver (Automatic)$249

Dumas Automatic$239

Full specifications

Case

5 specs

Diameter

40mm

44mm

Thickness

12mm

15mm

Lug-to-Lug

46mm

48mm

Lug Width

20mm

22mm

Material

Stainless Steel

316L Stainless Steel

Crystal & Dial

1 specs

Dial Color

Black

Blue

Movement

1 specs

Caliber

NH35 Warranty

SII NH35A

Pricing

1 specs

MSRP

$249

$239

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