Astron SSH157J1 Limited Edition
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Description
Limited edition of 1,500 pieces
The Seiko Astron SSH157J1 Limited Edition is a bold, tech-forward timepiece built for global precision. Limited to 1,500 pieces, it features a titanium case with ceramic bezel and houses the GPS solar-powered 5X83 movement.
With world time, dual-time, chronograph, and a perpetual calendar, it’s packed with smart features for life on the move. A dual-curved sapphire crystal, LumiBrite accents, and a Smart Adjuster clasp add comfort and clarity, making this watch as stylish as it is advanced.
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
Case Material: Titanium (super hard coating) with ceramic bezel
Thickness: 13.4 mm
Diameter: 43.3 mm
Lug-to-lug: 49.5 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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