*PRE-ORDER* Seiko Astron Limited Edition GPS Solar 43.4 MM Titanium Crystal Green Dial Watch HAB005J1

*PRE-ORDER* — Expected delivery week of December 11, 2026.

The Seiko Astron HAB005J1 is a Limited Edition GPS Solar dual time chronograph (1,200 pieces worldwide) with a 43.4mm super-hard coated titanium case and a Crystal Green dial with an embossed pattern inspired by quartz crystal facets. It sets the time automatically via GPS and is powered by light.

Key facts
Brand: Seiko
Collection: Astron (Limited Edition, 1,200 pieces)
Reference: HAB005J1
Movement: Caliber 5X63 GPS Solar, 14 jewels; accuracy ±15 seconds per month without GPS signal
Case material: Titanium with super-hard coating
Case size: 43.4mm diameter, 12.4mm thick, 50.0mm lug-to-lug
Dial: Crystal Green with embossed quartz-crystal facet pattern
Crystal: Sapphire with super-clear coating
Strap / Bracelet: Titanium bracelet with triple-fold push-button clasp and quick-change system, plus an additional black silicone strap
Water resistance: 10 bar (100 m)

Specifications

Power reserve: About 6 months fully charged (about 2 years in power saving mode)
Chronograph: Up to 24 hours in 1/20-second increments
Calendar: Perpetual calendar programmed to February 28, 2100, with day display
Time functions: World time (38 cities), dual time zone with time transfer between dial and sub-dial
GPS functions: Time zone setting, automatic and manual time setting, satellite status and reception result display, GPS reception lock (flight mode), automatic hand alignment
Other: Daylight saving time, power reserve indicator, overcharge prevention, power saving mode
Lume: LumiBrite on hands and index markers
Magnetic resistance: 4,800 A/m
Lug width: 14mm
Caseback: Screw-down, engraved Limited Edition with serial number
Included: Limited-edition case with black silicone strap and pouch

Frequently Asked Questions

Is this Seiko Astron HAB005J1 new and authentic?
Yes, every watch we sell is 100% brand new and authentic, sourced directly from authorized channels.

What is included in the box?
The watch ships in its original Seiko box with all accompanying papers and the warranty card.

When will this pre-order ship?
Expected delivery is the week of December 11, 2026. We will notify you as soon as your watch is ready.

What warranty does it have?
It comes with the Seiko international manufacturer warranty, plus our store support after purchase.