Astron SSH155J1
Description
The Seiko Astron SSH155J1 is a sleek GPS solar watch built for global precision. Its 43.3mm case features a dual-curved sapphire crystal and houses the advanced 5X83 movement, offering world time across 38 cities, dual-time display, a 12-hour chronograph, and a perpetual calendar—all powered by light with up to 6 months of charge. With smart features like time transfer, automatic time zone adjustment, and a Smart Adjuster clasp, it’s a refined companion for life on the move.
Explore more of the Seiko Astron collection or view more timepieces here.
Movement
Caliber Number: 5X83
Movement Type: GPS solar
Precision: ±15 seconds per month (±1 second per day)
Power Reserve: Operating for approx. 6 months (when fully charged), power save: approx. 2 years
Jewels: 14
Functions:
- Overcharge prevention function
- Power save function
- Chronograph up to 12 hours in 1/20 second increments
- Perpetual calendar to the February 28, 2100
- World time function (38 cities)
- Dual-time function
- Day display
- Power reserve indicator
- Time transfer function (Switching between the main-dial and sub-dial)
- GPS signal reception function (Time zone adjustment, automatic time adjustment, manual time adjustment)
- Satellite acquisition status display function
- Reception result display function
- DST (Daylight Saving Time)
- Function to prevent the GPS signal reception (in-flight mode)
- Automatic hand position alignment function
Case / Band
Thickness: 11.7 mm
Diameter: 37.3 mm
Lug-to-lug: 44.3 mm
Crystal: Dual-curved sapphire crystal
Crystal Coating: Super-clear coating
Clasp: Three-fold clasp with push button release
Distance Between Lugs: 14
Other Details
Magnetic Resistance: 4,800 A/m
Features:
- Allergy-safe metal
- Clasp with Smart Adjuster function
- Screw case back
- LumiBrite on hands and index(es)
Any purchase through our SEIKO Online Store has a 3-year guarantee.
