- Collection: Seiko Astron GPS Solar Limited Edition
- Crystal: Dual-curved sapphire with super-clear coating
- Movement: GPS Solar (Caliber 5X83, ±15 sec/month, approx. 6 months power reserve, power save: approx. 2 years, chronograph up to 12h in 1/20 sec increments, perpetual calendar to Feb 28, 2100, world time (38 cities), dual-time, day display, power reserve indicator, time transfer, DST, GPS reception functions, automatic hand position alignment, overcharge prevention)
- Water resistance: 10 bar
- Case size: Diameter 44.3mm, Thickness 14.4mm, Lug-to-lug 50.0mm
- Band material: - (Three-fold clasp with push button release, Smart Adjuster)