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Seiko Astron
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Seiko · Astron

Seiko Astron

Chronograph

$2,700
Buy from SeikoFind used on eBay

Case

Diameter
43.3mm
Thickness
13.4mm
Lug-to-lug
49.5mm
Lug width
14mm
Material
Titanium
Water resistance
100m

Crystal & dial

Crystal
Sapphire
Shape
Curved
AR coating
Super-clear coating
Lume
LumiBrite on hands and index(es)

Movement

Caliber
Seiko 5X83
Type
Quartz
Jewels
14
Hacking
No
Hand-winding
No
Complications
Time only

Design language

Case shape
round
Dial style
sunburst
Sub-dials
2
Bezel
fixed
Bracelet
lug-attached
Hands
baton

AI-detected from the product image

Astron collection · 9 watches

Astron
Astron42mm
Astron
Astron44.1mm
Astron
Astron41.2mm
Astron
Astron42mm
Astron GPS Solar 2024 Limited Edition
Astron GPS Solar 2024 Limited Edition41.2mm
Astron GPS Solar 2025 Limited Edition
Astron GPS Solar 2025 Limited Edition43.4mm
Astron GPS Solar 2025 Limited Edition
Astron GPS Solar 2025 Limited Edition42mm
Astron GPS Solar 2026 Limited Edition
Astron GPS Solar 2026 Limited Edition41.2mm

4 colorways

Alternatives

01The connection engine

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Balticus Watches Balticus Flying Seal Chronograph

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View all alternatives

02The community take

Owners talk.

“

The Seiko Astron is widely praised for its advanced timekeeping technology, including GPS and radio wave synchronization, offering grab-and-go convenience and exceptional accuracy, with some users reporting +/- 15 seconds per month or even 1/2 second per day for its autonomous quartz movement. Owners appreciate its well-finished titanium cases and bracelets, detailed dials with high-contrast markers, and lightweight, comfortable wearability. However, some find the price point of around $2,000 to $2,400 expensive, noting that GPS sync works best outdoors and that certain models lack screw-down casebacks, impacting water resistance. The lume is described as sparse on some models, and recessed buttons require tools to operate. Overall, owners and reviewers rate the Seiko Astron highly for its cutting-edge technology and comfortable, well-finished design, with the value proposition becoming more compelling when models are found at a discount.

Synthesized from 7 sources
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03The paper trail

04The discussion

Talk about the Seiko Astron.