Which is cheaper, the Spinnaker Noir Radiance or the Seiko Prospex Sea?

At MSRP the Spinnaker Noir Radiance is the cheaper of the two at $420, against $1,500 for the Seiko Prospex Sea — a $1,080 gap before any retailer discounting.

Which is bigger, the Spinnaker Noir Radiance or the Seiko Prospex Sea?

The Seiko Prospex Sea wears larger at 43.5mm versus 42mm for the Spinnaker Noir Radiance — a 1.5mm difference across the dial.

Which has better water resistance, the Spinnaker Noir Radiance or the Seiko Prospex Sea?

The Seiko Prospex Sea is rated to 200m versus 180m for the Spinnaker Noir Radiance.

What movement does the Spinnaker Noir Radiance run compared to the Seiko Prospex Sea?

Both watches run automatic movements — the Spinnaker Noir Radiance uses the Seiko NH35 and the Seiko Prospex Sea uses the Seiko 6R35.

Side by side

Spinnaker Noir RadiancevsSeiko Prospex Sea

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

Add a watch

Spinnaker Noir Radiance

MSRP $420

See the full Noir Radiance

Seiko Prospex Sea

MSRP $1,500

See the full Prospex Sea

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At a glance

12 of 29 specs differ

Diameter

Noir Radiance42mm

Prospex Sea43.5mm

Power Reserve

Noir Radiance—

Prospex Sea70h

Water Resistance

Noir Radiance180m

Prospex Sea200m

MSRP

Noir Radiance$420

Prospex Sea$1,500

Full specifications

Case

5 specs

Diameter

42mm

43.5mm

Thickness

15mm

13.3mm

Lug-to-Lug

50mm

51mm

Material

316L Stainless Steel

Titanium

Water Resistance

180m

200m

Crystal & Dial

3 specs

AR Coating

—

Anti-reflective coating on inner surface

Dial Color

Noir Radiance

—

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Seiko NH35

Seiko 6R35

Power Reserve

70h

Jewels

Pricing

1 specs

MSRP

$420

$1,500

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Spinnaker Noir RadiancevsSeiko Prospex Sea

At a glance

Full specifications

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