Side by side

Sternglas MarusvsSeiko Astron GPS Solar 2025 Limited Edition

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

Marus
SternglasMarus
MSRP $485
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,600

At a glance

14 of 29 specs differ
Diameter
Marus42mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
Marus42h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Marus200m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Marus$485
Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

6 specs
Category
Diver
GMT
Thickness
14mm
12mm
Lug-to-Lug
53.8mm
47.9mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Super-clear coating
Dial Color
Black
Lume
Luminova grün
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Miyota 8215
3X62
Type
Automatic
Quartz
Power Reserve
42h
40h
Jewels
10

Pricing

1 specs
MSRP
$485
$2,600

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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.

Sternglas Marus

The Sternglas Marus is widely praised for its well-built, heavy feel and excellent bezel action, considered the best in its price range. Despite its 42mm diameter and 52mm lug-to-lug, owners report it fits surprisingly well on slim wrists. A reviewer notes the short seconds hand as a drawback, but highlights the watch as a fun, affordable starting point for a collection, featuring a vibrant Pepsi bezel and an anthracite dial that shifts in appearance, powered by a Miyota 8215 movement for €399. Overall, owners and reviewers rate the Sternglas Marus highly for its robust build and superior bezel at its price point.

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.

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