Side by side

Sternglas HamburgvsSeiko Astron

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

Hamburg
SternglasHamburg
MSRP $323
Astron
SeikoAstron
MSRP $2,200

At a glance

13 of 29 specs differ
Diameter
Hamburg42mm
Astron41.2mm
Power Reserve
Hamburg
Astron40h
Water Resistance
Hamburg50m
Astron100m
MSRP
Hamburg$323
Astron$2,200

Full specifications

Case

6 specs
Diameter
42mm
41.2mm
Thickness
6mm
12mm
Lug-to-Lug
45mm
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
Luminova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Ronda 715
3X62
Power Reserve
40h
Jewels
10

Pricing

1 specs
MSRP
$323
$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 Hamburg

The Sternglas Hamburg is widely praised for its Bauhaus-inspired design, good build quality for the price, and attractive finishing, with owners noting a nice polish on the case and an uncluttered, easy-to-read dial. Some find the watch lightweight and its value proposition strong, especially with common discounts. However, opinions on the design are split, with some finding certain variants garish and a departure from strict Bauhaus simplicity, while others appreciate its unique aesthetic. The Miyota 8215 movement's accuracy is reported to range from -20/+40 seconds per day, and one owner noted it is louder than expected. A deep date window recess is also mentioned as making the date difficult to see from an angle. On balance, owners and reviewers find the Sternglas Hamburg a compelling option for its attractive design and value, despite some polarizing aesthetic elements and movement quirks.

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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