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9 WARWICK ROAD, KENILWORTH CV8 1HD, United Kingdom
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Seiko

Seiko Astron Solar GPS Blue Dial

SSH109J1

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Product Specifications

"Astron Solar GPS Chronograph

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.
"

Model Specification: SSH109J1

  • The watch has a super hard-coated titanium case and bracelet. The case measures 42.7 mm in diameter.
  • 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 functionautomatic 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
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Product Specifications
  • Gender
    Men's Watches
  • Movement & Power
    Solar Powered Quartz
  • Movement Calibre
    5X53
  • Collections
    Pilot Watches
  • Clearance
    Sale Items
  • Features
    Date Display, Day Display, Glowing Hands, Glowing Markers, GMT Dual Time, World Timer
  • Strap Material
    Titanium
  • Case Material
    Titanium
  • Display Type
    Analog
  • Dial Colour
    Blue
  • Strap Colour
    Silver
  • Case Width
    42.7 mm
  • Case Depth
    12.2 mm
  • Dial Shape
    Circle
  • Hour Markers
    Batons
  • Water Resistance
    100 metres
1
Customer Reviews
5 / 5
Average Rating
5 star (Best) (1)
4 star (0)
3 star (0)
2 star (0)
1 star (Worst) (0)
5 Quality
5 Value
5 Ease of use
5 Style
5
Overall Rating
This admittedly complicated watch is surprisingly easy to use, thanks to some well-judged design choices by Seiko. Despite the enormous length of the full instructions, I find that one only needs to remember five operations for full functionality, both when travelling and when staying at home and trying to keep track of the time for friends or colleagues abroad. It is useful that the state of charge of the battery is displayed at all times. The small AM/PM dial is tied to the secondary sub-dial, and the red arc gives an indication of whether it is day or night in the second time zone. The automatic adjustment to daylight saving time in summer is also helpful. The watch normally receives a GPS signal once or twice a day and keeps good time when worn on the wrist, though its time-keeping when stored at room temperature and unable to receive a GPS signal is surprisingly poor, gaining about half a second per day. Style is a matter of taste, but I think this is the best looking watch for several years in the Astron range. I am very pleased with it.

reviewed 07/07/2023

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