For sale is the Seiko Astron HAB004J1, a special 145th Anniversary Limited Edition that showcases Seiko's latest GPS Solar technology in a refined silver and blue design. Created to celebrate Seiko's 145 years of watchmaking, this exclusive model is limited to 2,000 pieces worldwide and introduces Seiko's new-generation Calibre 5X63 with an innovative quick-change strap system.

The watch features a 43.4mm titanium case and bracelet with a super-hard coating, offering exceptional durability while remaining incredibly lightweight on the wrist. Its standout feature is the silver-white dial accented with Seiko Blue details, inspired by the iconic colour that has represented the brand since the 1960s. A dual-curved sapphire crystal with Super-Clear coating provides outstanding scratch resistance and exceptional legibility.

Powered by Seiko's newly developed 5X63 GPS Solar movement, the HAB004J1 automatically synchronises with GPS satellites to display the correct time and time zone anywhere in the world. It also features a 24-hour chronograph, dual-time display, perpetual calendar until 2100, power reserve indicator, daylight saving adjustment, and time transfer function. Fully charged, it offers approximately 6 months of operation, or up to 2 years in power-save mode.

Finished on a lightweight titanium bracelet with Seiko's new Smart Switch quick-release system, the watch also includes an additional blue and white silicone strap, allowing you to change the look of the watch in seconds without tools.

Key Features

  • Limited Edition – 2,000 pieces worldwide
  • Seiko Astron HAB004J1
  • Seiko 145th Anniversary Edition
  • New Calibre 5X63 GPS Solar movement
  • GPS-controlled automatic time & time zone adjustment
  • 24-hour chronograph
  • Dual-time & world time functions
  • Perpetual calendar until 2100
  • Approx. 6-month power reserve
  • 43.4mm titanium case & bracelet with super-hard coating
  • Silver-white dial with Seiko Blue accents
  • Dual-curved sapphire crystal with Super-Clear coating
  • Additional blue & white silicone strap with quick-change system
  • 100m / 10 bar water resistance

A superb limited-edition Astron that combines Seiko's latest GPS Solar innovation, lightweight titanium construction, and elegant anniversary styling, making it an exceptional choice for collectors, travellers, and enthusiasts alike.