Side by side
Seiko Astron GPS Solar 2025 Limited EditionvsSwatch MoonSwatch Mission to Earthphase
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
15 of 29 specs differDiameter
Astron GPS Solar 2025 Limited Edition43.4mm
MoonSwatch Mission to Earthphase42mm
Power Reserve
Astron GPS Solar 2025 Limited Edition—
MoonSwatch Mission to Earthphase—
Water Resistance
Astron GPS Solar 2025 Limited Edition100m
MoonSwatch Mission to Earthphase30m
MSRP
Astron GPS Solar 2025 Limited Edition$2,900
MoonSwatch Mission to Earthphase$340
Full specifications
Case
7 specsDiameter
43.4mm
42mm
Thickness
13.4mm
0mm
Lug-to-Lug
49.5mm
0mm
Lug Width
14mm
0mm
Material
Titanium
Bioceramic
Finish
—
Bioceramic
Water Resistance
100m
30m
Crystal & Dial
5 specsCrystal
Sapphire
—
Crystal Shape
Curved
—
AR Coating
Super-clear coating
—
Dial Color
—
Gray
Lume
LumiBrite on hands and index(es)
None
Movement
2 specsCaliber
Seiko 5X83
—
Jewels
14
0
Pricing
1 specsMSRP
$2,900
$340
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