Side by side

Seiko Astron GPS Solar 2025 Limited EditionvsGalo Super200 Dark Edition

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

Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,600
Super200 Dark Edition
GaloSuper200 Dark Edition
MSRP $488

At a glance

19 of 29 specs differ
Diameter
Astron GPS Solar 2025 Limited Edition42mm
Super200 Dark Edition39mm
Power Reserve
Astron GPS Solar 2025 Limited Edition40h
Super200 Dark Edition42h
Water Resistance
Astron GPS Solar 2025 Limited Edition100m
Super200 Dark Edition200m
MSRP
Astron GPS Solar 2025 Limited Edition$2,600
Super200 Dark Edition$488

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
42mm
39mm
Thickness
12mm
11.5mm
Lug-to-Lug
47.9mm
47mm
Lug Width
14mm
20mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Oil pressed, circular brushed (black)
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Super-clear coating
Underside
Texture
Oil pressed
Indices
Applied
Lume
LumiBrite on hands and index(es)
None

Movement

4 specs
Caliber
3X62
Miyota 9039
Type
Quartz
Automatic
Power Reserve
40h
42h
Jewels
10
24

Pricing

1 specs
MSRP
$2,600
$488

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Astron GPS Solar 2025 Limited Edition

The Seiko Astron GPS Solar 2025 Limited Edition is widely praised for its advanced GPS time and date adjustment capabilities, powered by light to eliminate battery changes. Owners and reviewers highlight its impressive accuracy and the convenience of automatic time zone updates, with some specifically commending the wearability of the 39mm size and its clean, simple design. However, reception of the GPS signal requires an unobstructed view of the sky, and manual time zone adjustments are necessary for Daylight Saving Time on some variants. One owner notes a slight imperfection in chapter ring alignment on the 39mm model. On balance, owners and reviewers rate the Seiko Astron GPS Solar 2025 Limited Edition highly for its satellite-powered timekeeping and improved wearability in the 39mm configuration.

Galo Super200 Dark Edition

Owners widely praise the Galo Super200 Dark Edition for its design and value, with one owner noting the Miyota 9039 movement and lume on the crown. Some community members observe its resemblance to other dive watches, and one owner finds the "3" marker disrupts the dial layout, though an alternative dial is available. Overall, owners rate the Galo Super200 Dark Edition highly for its perceived value and distinct design elements.

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