Seiko Astron
Seiko’s solar GPS watches that set themselves to the correct time zone anywhere.
- Style
- GMT / Travel
- Introduced
- 1969
- Case sizes
- 40–43 mm
- Starting price
- From ~$1,000
- Brand
- Seiko
- Made in
- Japan
Key models
This collection is produced in small numbers or many one-off variants. See the official Seiko site for current references.
Where to buy
Chrono24
New and pre-owned listings
Seiko boutiques
Retail price, full warranty
Other Seiko collections
Specs and prices are approximate and current as of 2026; confirm details with Seiko or an authorized dealer.