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Casio GWG-B1000vsSeiko Astron GPS Solar 2025 Limited Edition

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

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GWG-B1000
CasioGWG-B1000
MSRP $880
See the full GWG-B1000
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,600
See the full Astron GPS Solar 2025 Limited Edition
Buy from Casio ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

15 of 29 specs differ
Diameter
GWG-B100052.1mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
GWG-B1000—
Astron GPS Solar 2025 Limited Edition—
Water Resistance
GWG-B1000200m
Astron GPS Solar 2025 Limited Edition100m
MSRP
GWG-B1000$880
Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

8 specs
Category
Sport
GMT
Diameter
52.1mm
42mm
Thickness
16.2mm
12mm
Lug-to-Lug
58.7mm
47.9mm
Lug Width
—
14mm
Material
Bio-based Resin / Stainless steel
Titanium
Finish
—
—
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Super-clear coating
Dial Color
Gray
—
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
—
3X62
Power Reserve
—
0h
Jewels
0
10

Pricing

1 specs
MSRP
$880
$2,600
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