Side by side

Sternglas Hamburg AutomatikvsSeiko Astron

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

Hamburg Automatik
SternglasHamburg Automatik
MSRP $463
Astron
SeikoAstron
MSRP $2,500

At a glance

14 of 29 specs differ
Diameter
Hamburg Automatik42mm
Astron42mm
Power Reserve
Hamburg Automatik42h
Astron40h
Water Resistance
Hamburg Automatik50m
Astron100m
MSRP
Hamburg Automatik$463
Astron$2,500

Full specifications

Case

6 specs
Category
Sport
GMT
Thickness
12mm
12.4mm
Lug-to-Lug
45mm
49.5mm
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

4 specs
Caliber
Miyota 8215
5X83
Type
Automatic
Quartz
Power Reserve
42h
40h
Jewels
14

Pricing

1 specs
MSRP
$463
$2,500

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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 Automatik

Owners praise the Sternglas Hamburg Automatik's handsome design and good build quality for the price. The watch features a gold PVD case and a matte blue dial with orange Super-LumiNova, and its 42mm diameter wears well due to a short lug-to-lug distance. The Miyota 8215 movement is accurate to -20/+40 seconds per day. On balance, reviewers and owners appreciate the Sternglas Hamburg Automatik for its unique design and value.

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.

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