Side by side

Sternglas SediusvsSeiko Astron

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

Sedius
SternglasSedius
MSRP $301
Astron
SeikoAstron
MSRP $2,200

At a glance

13 of 29 specs differ
Diameter
Sedius40mm
Astron41.2mm
Power Reserve
Sedius
Astron40h
Water Resistance
Sedius50m
Astron100m
MSRP
Sedius$301
Astron$2,200

Full specifications

Case

6 specs
Diameter
40mm
41.2mm
Thickness
8mm
12mm
Lug-to-Lug
47mm
48.5mm
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

3 specs
Caliber
TMI VH31
3X62
Power Reserve
40h
Jewels
10

Pricing

1 specs
MSRP
$301
$2,200

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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 Sedius

The Sternglas Sedius is widely praised for its harmonious blend of Bauhaus minimalism and Art Deco elegance, featuring a well-balanced sector dial and a smooth-sweeping seconds hand from its Seiko VH31 meca-quartz movement. Owners and reviewers note its pleasing wearability due to the case shape and slender lugs, and it is considered an affordable option with a good price-performance ratio. One reviewer flags legibility issues on the black dial variant, while the blue-on-white offers crispness. The Sternglas Sedius lacks a date complication and features a double-domed sapphire crystal. Overall, owners and reviewers rate the Sternglas Sedius highly for its classy Art Deco aesthetic and value.

Seiko Astron

Owners widely praise the Seiko Astron for its spectacular time-telling technology, GPS time sync, and grab-and-go convenience, with many calling it the best watch they have ever owned. Reviewers and owners highlight the well-managed dial detail, textured hour markers, and high-contrast edges, as well as the well-finished case and bracelet. Some find the lightweight titanium build and quick bracelet adjustment contribute to comfortable wearability. Accuracy is noted as +/- 15 seconds per month without GPS, though the autonomous quartz movement can be easily reset by looking at the sky. Criticisms include DST not being automatically implemented, recessed buttons requiring a sharp object for adjustment, and sparse lume with no 12 o'clock marker. Some owners feel the price point is too expensive for its aesthetic appeal. Overall, owners rate the Seiko Astron highly for its advanced time-telling technology and convenient features.

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