SSH171J1
The Seiko Astron SSH171J1 5X Dual-Time GPS Solar Chronograph Men Watch is a 2025 Limited Edition inspired by cherry blossoms under a starry sky. Its purple gradation dial with star-trail patterns is housed in an all-black titanium case and bracelet with a super-hard coating for durability. Powered by the GPS solar calibre 5X83, it automatically adjusts to your time zone and offers dual-time display, world time across 38 cities, a 12-hour chronograph, and a perpetual calendar accurate until 2100. With sapphire crystal, 100-meter water resistance, and a limited edition case back engraving, this Astron is a collector’s piece that blends precision with artistry.
Calibre:5X83
Case Diameter:42.0mm
Case Thickness:12.4mm
Case Length:49.5mm
Bracelet Length:195.0mm
Lug Width:14.0mm
Dial Colour: Purple
LumiBrite: Lumibrite on hands and indexes
Case Material: Titanium (super-hard coating)
Strap/Bracelet:Titanium (super-hard coating)
Clasp:Three-fold clasp with push button release
Movement Type:GPS Solar
Power Reserve:Operating for approx. 6 months (when fully charged), power save: approx. 2 years
Crystal Coating: Super-clear coating
Other Specifications: LIMITED EDITION on the case back, Screw case back, Serial number engraved on the case back, Allergy-safe metal, Clasp with Smart Adjuster function
Watch Function: Automatic hand position alignment function, Chronograph up to 12 hours in 1/20 second increments, Day display, DST (Daylight Saving Time), Dual-time function, Function to prevent the GPS signal reception (in-flight mode), GPS signal reception function (Time zone adjustment, automatic time adjustment, manual time adjustment), Overcharge prevention function, Perpetual calendar until February 28, 2100, Power reserve indicator, Reception result display function, Satellite acquisition status display function, Time transfer function (Switching between the main-dial and sub-dial), World time function (38 cities)
Magnetic Resistance: 4,800 A/m
Accuracy: ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )
Water Resistance:10 BAR
Weight:106.0g
