Side by side

Seiko Astron GPS Solar 2025 Limited EditionvsStudio Underd0g Goofy Panda (Gen3)

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
Goofy Panda (Gen3)
Studio Underd0gGoofy Panda (Gen3)
MSRP $550

At a glance

14 of 29 specs differ
Diameter
Astron GPS Solar 2025 Limited Edition42mm
Goofy Panda (Gen3)38.5mm
Power Reserve
Astron GPS Solar 2025 Limited Edition40h
Goofy Panda (Gen3)40h
Water Resistance
Astron GPS Solar 2025 Limited Edition100m
Goofy Panda (Gen3)
MSRP
Astron GPS Solar 2025 Limited Edition$2,600
Goofy Panda (Gen3)$550

Full specifications

Case

7 specs
Category
GMT
Chronograph
Diameter
42mm
38.5mm
Thickness
12mm
Lug-to-Lug
47.9mm
Lug Width
14mm
Material
Titanium
Stainless Steel
Water Resistance
100m

Crystal & Dial

3 specs
AR Coating
Super-clear coating
Inner
Dial Color
Black
Standard
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
3X62
Type
Quartz
Automatic
Jewels
10
25

Pricing

1 specs
MSRP
$2,600
$550

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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.

Studio Underd0g Goofy Panda (Gen3)

Owners widely praise the Studio Underd0g Goofy Panda (Gen3) for its fun, playful personality and attractive, well-executed textured degradé dial, finding it a cool and versatile watch for daily wear at a fair price point. The 38.5mm case size and sapphire crystal are noted as positives, with some finding it looks better in person than in photos. However, some owners consider the Studio Underd0g Goofy Panda (Gen3) overpriced for its Seagull ST-1901 movement, with a few expressing concerns about movement reliability, with one reporting their watch stopped after only a few hours. On balance, owners and reviewers find the Studio Underd0g Goofy Panda (Gen3) a joy to own due to its unique design and dial execution at its price.

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