Seiko Astron SSH185 GPS Solar 2025 Limited Edition
October 2025 Release
A limited-edition model that expresses the near future with dynamic and unique coloring.
A dial design inspired by the high-speed journey of light.
The dial features a new horizontal pattern with intermittent lines, evoking the image of light traveling at high speed. Light green accents are applied to various parts, creating a sporty design.
Distinctive design with contrasting materials.
The titanium case and bracelet are finished with a scratch-resistant black hard coating and combined with white ceramic to create a contrasting design that highlights the fusion of different materials.
The adjustment system for the clasp allows easy fine-tuning of the bracelet’s length.
Movement
- Caliber Number: 5X83
- Movement Type: GPS solar
- 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
Features
- LIMITED EDITION on the case back
- Serial number engraved on the case back
- Against an allergic reaction to nickel
- Clasp with Smart Adjuster function
- Screw case back
