Side by side

Seiko AstronvsStudio Underd0g Mint Choc Chip (Gen3)

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

Astron
SeikoAstron
MSRP $2,500
Mint Choc Chip (Gen3)
Studio Underd0gMint Choc Chip (Gen3)
MSRP $550

At a glance

14 of 29 specs differ
Diameter
Astron42mm
Mint Choc Chip (Gen3)38.5mm
Power Reserve
Astron40h
Mint Choc Chip (Gen3)40h
Water Resistance
Astron100m
Mint Choc Chip (Gen3)
MSRP
Astron$2,500
Mint Choc Chip (Gen3)$550

Full specifications

Case

7 specs
Category
GMT
Chronograph
Diameter
42mm
38.5mm
Thickness
12.4mm
Lug-to-Lug
49.5mm
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
5X83
Type
Quartz
Automatic
Jewels
14
25

Pricing

1 specs
MSRP
$2,500
$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

Owners widely praise the Seiko Astron for its spectacular technology, solar-powered quartz movement, and GPS time synchronization, making it a convenient grab-and-go option. The watch is frequently noted for its comfortable and lightweight titanium build, with some models featuring well-finished cases and robust ceramic bezels. Reviewers and owners alike highlight the dial's dynamic and shiny appearance, with textured hour markers and high-contrast edges. Accuracy is generally considered good, with figures ranging from +/- 15 seconds per month to within 1/2 second per day, easily corrected by GPS signal. However, some owners note that DST requires manual adjustment and that automatic time syncing depends on proximity to radio wave towers. The price point is a concern for some, who feel it competes with luxury watches without the same aesthetic appeal. One owner pointed out minimal lume and a slight misalignment of the minute hand on their model.

Studio Underd0g Mint Choc Chip (Gen3)

Owners and reviewers praise the Studio Underd0g Mint Choc Chip (Gen3) for its unique, visually striking design, featuring an asymmetrical dial, textured two-tone finish, orange chrono hand tips, and chocolate chip hour markers, all housed in a comfortable 38.5mm case with a hand-winding SeaGull ST-1901 movement and a goat-skin strap. Some owners, however, find the watch overpriced for its movement and dial quality, and a few feel it appears toy-like on larger wrists. Overall, owners and reviewers value the Studio Underd0g Mint Choc Chip (Gen3) for its distinctive aesthetic and comfortable wear, despite some reservations about price and perceived scale.

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