Side by side

Sternglas Naos AutomatikvsSeiko Astron GPS Solar 2025 Limited Edition

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

Naos Automatik
SternglasNaos Automatik
MSRP $463
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,600

At a glance

14 of 29 specs differ
Diameter
Naos Automatik38mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
Naos Automatik42h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Naos Automatik50m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Naos Automatik$463
Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
38mm
42mm
Lug-to-Lug
43mm
47.9mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
50m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Super-clear coating
Dial Color
Black
Lume
None
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
$463
$2,600

Follow this matchup

Get a note when Sternglas Naos Automatik vs Seiko Astron GPS Solar 2025 Limited Edition gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Sternglas Naos Automatik

The Sternglas Naos Automatik is praised for its stylish Bauhaus design and solid build quality for its price, featuring a sapphire crystal and elegant case. However, some dial text is too small and slim for easy readability, and the Milanese strap and clasp are considered lower quality, with the quick-change system also not meeting the brand's advertised standard. One owner found the 38mm model lighter than expected and preferred it over a Seiko SRP703 and an Apple Watch. Overall, owners and reviewers highlight the Sternglas Naos Automatik's attractive Bauhaus design and good value, despite some criticisms of dial legibility and strap quality.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.