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

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $420 for the Spinnaker Noir Radiance — a $171 gap before any retailer discounting.

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

The Spinnaker Noir Radiance wears larger at 42mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 2mm difference across the dial.

Which has better water resistance, the Spinnaker Noir Radiance or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 180m for the Spinnaker Noir Radiance.

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

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

Side by side

Spinnaker Noir RadiancevsHelgray Poseidon Diver (Automatic)

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Spinnaker Noir Radiance

bradner-automatic-noir-radiance-sp-5062-44

MSRP $420

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

9 of 29 specs differ

Diameter

Noir Radiance42mm

Poseidon Diver (Automatic)40mm

Power Reserve

Noir Radiance40h

Poseidon Diver (Automatic)40h

Water Resistance

Noir Radiance180m

Poseidon Diver (Automatic)300m

MSRP

Noir Radiance$420

Poseidon Diver (Automatic)$249

Full specifications

Case

6 specs

Diameter

42mm

40mm

Thickness

15mm

12mm

Lug-to-Lug

50mm

46mm

Lug Width

22mm

20mm

Material

316L Stainless Steel

Stainless Steel

Water Resistance

180m

300m

Crystal & Dial

1 specs

Dial Color

Noir Radiance

Black

Movement

1 specs

Caliber

SII NH35A

NH35 Warranty

Pricing

1 specs

MSRP

$420

$249

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