Astron SSH155J1
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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.
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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
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