Which is cheaper, the Helgray Poseidon Diver (Automatic) or the Spinnaker Spence 300?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $650 for the Spinnaker Spence 300 — a $401 gap before any retailer discounting.

What movement does the Helgray Poseidon Diver (Automatic) run compared to the Spinnaker Spence 300?

Both watches run automatic movements — the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty and the Spinnaker Spence 300 uses the SII NH35A.

Side by side

Helgray Poseidon Diver (Automatic)vsSpinnaker Spence 300

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 Spence 300

spence-300-automatic-aquamarine-sp-5097-aa

MSRP $650

At a glance

6 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

Spence 30040mm

Power Reserve

Poseidon Diver (Automatic)40h

Spence 30040h

Water Resistance

Poseidon Diver (Automatic)300m

Spence 300300m

MSRP

Poseidon Diver (Automatic)$249

Spence 300$650

Full specifications

Case

3 specs

Thickness

12mm

11.5mm

Lug-to-Lug

46mm

48mm

Material

Stainless Steel

316L Stainless Steel

Crystal & Dial

1 specs

Dial Color

Black

Aquamarine

Movement

1 specs

Caliber

NH35 Warranty

SII NH35A

Pricing

1 specs

MSRP

$249

$650

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