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Sheffield SolarvsSeiko Astron GPS Solar 2026 Limited Edition

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

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Solar
SheffieldSolar
Astron GPS Solar 2026 Limited Edition
SeikoAstron GPS Solar 2026 Limited Edition
MSRP $2,400
Buy from Sheffield ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

14 of 29 specs differ
Diameter
Solar40mm
Astron GPS Solar 2026 Limited Edition41.2mm
Power Reserve
Solar—
Astron GPS Solar 2026 Limited Edition40h
Water Resistance
Solar200m
Astron GPS Solar 2026 Limited Edition100m
MSRP
Solar—
Astron GPS Solar 2026 Limited Edition$2,400

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
40mm
41.2mm
Thickness
13mm
12mm
Lug-to-Lug
48mm
48.6mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Super-clear coating
Lume
Swiss lume
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Miyota 2070
3X62
Type
Solar
Quartz
Power Reserve
—
40h
Jewels
25
10

Pricing

1 specs
MSRP
—
$2,400
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