Seiko Astron GPS Solar 2025 Limited Edition SSH171J1

The Seiko Astron SSH171J1 Limited Edition combines classic design with cutting-edge technology. With a 42mm case and 100m water resistance, it offers both comfort and practicality. Powered by the Seiko Cal. 5X83 Solar GPS movement, this watch syncs automatically with GPS satellites to adjust to local time zones and includes features like a perpetual calendar, world time (39 timezones), dual timezones, and a chronograph complication. The solar-powered movement ensures up to 6 months of charge, and the sapphire crystal with super-clear coating protects the beautiful dial, making it an ideal companion for any adventurer.

Specification

Movement

• Movement Type: GPS solar
• Caliber Number: 5X83
• Precision: ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )
• 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)
• Case Size:
• Thickness:12.4mm
  Diameter:42.0mm
  Lug-to-lug:49.5mm
• Crystal: Sapphire crystal
• Crystal Coating: Super-clear coating
• Clasp: Three-fold clasp with push button release
• LumiBrite LumiBrite on hands and index(es)
• Bracelet Length 195.0
• Distance between lugs: 14

Other Details

• Water Resistance: 10 bar
• Magnetic Resistance 4,800 A/m
• Weight 106.0g
• Features:
• LIMITED EDITION on the case back
• Serial number engraved on the case back
• Allergy-safe metal
• Clasp with Smart Adjuster function
• Screw case back