Which is cheaper, the Spinnaker Tesei Titanium or the Seiko Astron GPS Solar 2025 Limited Edition?

At MSRP the Spinnaker Tesei Titanium is the cheaper of the two at $625, against $2,900 for the Seiko Astron GPS Solar 2025 Limited Edition — a $2,275 gap before any retailer discounting.

Which is bigger, the Spinnaker Tesei Titanium or the Seiko Astron GPS Solar 2025 Limited Edition?

The Seiko Astron GPS Solar 2025 Limited Edition wears larger at 43.4mm versus 42mm for the Spinnaker Tesei Titanium — a 1.4mm difference across the dial.

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

The Spinnaker Tesei Titanium is rated to 200m versus 10m for the Seiko Astron GPS Solar 2025 Limited Edition.

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

The Spinnaker Tesei Titanium runs a automatic caliber (SII NH35A), while the Seiko Astron GPS Solar 2025 Limited Edition runs a quartz (5X83).

Side by side

Spinnaker Tesei TitaniumvsSeiko Astron GPS Solar 2025 Limited Edition

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

Spinnaker Tesei Titanium

tesei-titanium-automatic-matte-black-sp-5084-11

MSRP $625

Seiko Astron GPS Solar 2025 Limited Edition

ssh183j1

MSRP $2,900

At a glance

13 of 29 specs differ

Diameter

Tesei Titanium42mm

Astron GPS Solar 2025 Limited Edition43.4mm

Power Reserve

Tesei Titanium40h

Astron GPS Solar 2025 Limited Edition40h

Water Resistance

Tesei Titanium200m

Astron GPS Solar 2025 Limited Edition100m

MSRP

Tesei Titanium$625

Astron GPS Solar 2025 Limited Edition$2,900

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Super-clear coating

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

SII NH35A

5X83

Type

Automatic

Quartz

Jewels

Pricing

1 specs

MSRP

$625

$2,900

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