Which is cheaper, the Spinnaker Brutus Yellow or the Seiko Astron GPS Solar 2026 Limited Edition?

At MSRP the Spinnaker Brutus Yellow is the cheaper of the two at $395, against $2,400 for the Seiko Astron GPS Solar 2026 Limited Edition — a $2,005 gap before any retailer discounting.

Which is bigger, the Spinnaker Brutus Yellow or the Seiko Astron GPS Solar 2026 Limited Edition?

The Spinnaker Brutus Yellow wears larger at 43mm versus 41.2mm for the Seiko Astron GPS Solar 2026 Limited Edition — a 1.8mm difference across the dial.

Which has better water resistance, the Spinnaker Brutus Yellow or the Seiko Astron GPS Solar 2026 Limited Edition?

The Spinnaker Brutus Yellow is rated to 150m versus 10m for the Seiko Astron GPS Solar 2026 Limited Edition.

What movement does the Spinnaker Brutus Yellow run compared to the Seiko Astron GPS Solar 2026 Limited Edition?

The Spinnaker Brutus Yellow runs a automatic caliber (SII NH35A), while the Seiko Astron GPS Solar 2026 Limited Edition runs a quartz (3X62).

Side by side

Spinnaker Brutus YellowvsSeiko Astron GPS Solar 2026 Limited Edition

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

Spinnaker Brutus Yellow

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MSRP $395

Seiko Astron GPS Solar 2026 Limited Edition

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MSRP $2,400

At a glance

14 of 29 specs differ

Diameter

Brutus Yellow43mm

Astron GPS Solar 2026 Limited Edition41.2mm

Power Reserve

Brutus Yellow40h

Astron GPS Solar 2026 Limited Edition40h

Water Resistance

Brutus Yellow150m

Astron GPS Solar 2026 Limited Edition100m

MSRP

Brutus Yellow$395

Astron GPS Solar 2026 Limited Edition$2,400

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Inner

Super-clear coating

Dial Color

Brutus Yellow

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

SII NH35A

3X62

Type

Automatic

Quartz

Jewels

Pricing

1 specs

MSRP

$395

$2,400

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