Which is cheaper, the Spinnaker Noir Radiance or the Seiko Astron GPS Solar 2025 Limited Edition?

At MSRP the Spinnaker Noir Radiance is the cheaper of the two at $420, against $2,600 for the Seiko Astron GPS Solar 2025 Limited Edition — a $2,180 gap before any retailer discounting.

Which has better water resistance, the Spinnaker Noir Radiance or the Seiko Astron GPS Solar 2025 Limited Edition?

The Spinnaker Noir Radiance is rated to 180m versus 10m for the Seiko Astron GPS Solar 2025 Limited Edition.

What movement does the Spinnaker Noir Radiance run compared to the Seiko Astron GPS Solar 2025 Limited Edition?

The Spinnaker Noir Radiance runs a automatic caliber (SII NH35A), while the Seiko Astron GPS Solar 2025 Limited Edition runs a quartz (3X62).

Side by side

Spinnaker Noir RadiancevsSeiko Astron GPS Solar 2025 Limited Edition

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

Seiko Astron GPS Solar 2025 Limited Edition

ssj029j1

MSRP $2,600

At a glance

13 of 29 specs differ

Diameter

Noir Radiance42mm

Astron GPS Solar 2025 Limited Edition42mm

Power Reserve

Noir Radiance40h

Astron GPS Solar 2025 Limited Edition40h

Water Resistance

Noir Radiance180m

Astron GPS Solar 2025 Limited Edition100m

MSRP

Noir Radiance$420

Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Inner

Super-clear coating

Dial Color

Noir Radiance

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

SII NH35A

3X62

Type

Automatic

Quartz

Jewels

Pricing

1 specs

MSRP

$420

$2,600

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