Astron GPS Solar was launched with caliber 7X in 2012. In 2014, the collection was expanded with a second-generation caliber, 8X, featuring a chronograph. In 2015, the Astron revolution continues with the Dual-Time caliber.

 Using just the power of light, Astron connects to the GPS network and tells time with atomic clock precision, adjusting at the touch of a button to your time zone. Now, with the new Dual-Time caliber, you can read not only the time where you are, but also the time in your home time zone on a simple 12 hour sub-dial with a separate AM/PM indicator. In addition, the day of the week is displayed in a retrograde display at the 2 o’clock position,  with the date at the 4 o’clock position. The date is correct every day until February 28, 2100, thanks to Astron’s Perpetual Calendar and the operation of the watch is made simple by the electronic setting function in the crown.

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Dual time with AM/PM indication, day and date. Everything the global traveller needs. © Seiko

The Dual-Time caliber is offered in a collection of eight main designs, all of which are distinctively and recognisably Astron. As with every Astron watch, the dials are clean, clear and easy to read. The cases are polished by hand, to be distortion-free, so that there is sharpness in every light reflection. The wide range of dial colors is made possible by Seiko’s mastery of energy management in watchmaking. Seiko’s own specially designed GPS module is so energy efficient that many different colors are possible. There are five designs in titanium cases and three in steel.
The bracelets are composed of individually designed links and are tapered perfectly to the wrist for maximum comfort.

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One of the steel versions. © Seiko

In addition to the eight models in the launch collection, the new Dual-Time caliber is showcased in a distinctive limited edition, whose dial is made of mother of pearl. Not only does this natural dial material lend the dial a unique look, but it bears powerful witness to the remarkable quality of Seiko’s GPS solar technology; the GPS module uses so little power that it obtains all the energy it needs from light absorbed through the dial, even though it is made from mother of pearl.
Just 3,000 examples of this watch will be produced, and each one has its serial number engraved on the case back.