Seiko Astron Solar GPS Chronograph 'Solidity' SSH109J1

Seiko Astron Solar GPS Chronograph 'Solidity' SSH109J1

Seiko Astron: the world’s first GPS solar watch – powered by light, automatically adjusted to your time zone through the latest GPS technology.

This Astron Solar GPS watch features the 5X calibre with advanced functionality.

To enhance the speed and quality of the GPS connection, every component in the GPS module has been re-engineered, the operation of the 5X calibre is faster and more intuitive than ever. 
For example, in just three seconds the time can advance 14 hours from Tokyo to New York time, thanks to the system that moves the hour, minute, and second hand independently. 
New functions also allow automatic adjustment to Daylight Saving Time and give the wearer the ability to switch the main dial instantly from home to local time and vice versa.

The “time transfer function” allows you to switch, simply and instantly, the display of home and destination times between the main dial and the sub dial.

Just press simultaneously on the buttons at two and four o’clock and Caliber 5X converts the main dial display from, for example, home time to local time with a single push. The sub-dial changes from local to home time at the same time.

• The Time Transfer function is available in the 5X series

High speed time zone adjustment

To enhance the speed and quality of the GPS connection, every component in the GPS module has been re-engineered.

Thanks to the use of three independent motors for the hour, minute and second hands, Caliber 3X/5X requires at the fastest just three seconds* to change from one time zone to another.

• Speed comparison of different movements: Tokyo→New York (14 hour time difference): 8X Series: 34 seconds, 5X Series: 3 seconds.

• Automatic synchronization to the exact time every day

  Your Astron 3X/5X watch adjusts automatically to the exact time every day.
  If it detects sunlight, it will connect with one or more GPS satellites and re-set the time, to a precision of one second every 100,000 years. Even if the watch cannot detect sunlight or fail the first attempt, it remembers the time of the previous successful manual time adjustment (or time zone adjustment) and automatically attempts to receive a signal.

Model Specification: SSH109J1

• The watch has a super hard-coated titanium case and bracelet. The case measures 42.7 mm in diameter.
• A three-fold clasp with push-button release secures the bracelet.
• A sapphire crystal with a super-clear coating encases the dial.
• The blue dial is contrasted by luminescent indices.
• Features on the watch include a day display and a dual-time function, automatic hand alignment, daylight saving time, overcharge prevention as well as a power reserve indicator and a power save function. The watch also has a perpetual calendar, a world time function with 39 time zones and a transfer function that switches between the main and sub-dials. It also features a GPS signal reception function, a function to prevent the reception of GPS and a signal reception indicator alongside a satellite acquisition status display.
• The watch is water-resistant to 10 bars or 100 meters.
• Movement type - GPS Solar with a power reserve of up to 6 months while in use and up to 2 years when in power save mode. The watch is accurate to ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C ).
• Calibre - 5X53

Specifications