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Design

12-hour sub-dial with a separate AM/PM indicator

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, a new feature for Astron.

Day and date display

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

A stylish and luxury indexes

Metal indexes adopted to complement the hands are finished separately to provide enhanced metallic texture and luxuriousness.

Intuitive operation

The operation of the watch is made simple by the electronic setting function in the crown.

Strong and highly-visible hands

Wide and strong hands greatly increase visibility.

Zaratsu technique

The cases are polished by hand to be distortion-free, using Seiko’s unique Zaratsu technique, so that there is sharpness in every light reflection.

Comfortable to wear

The bracelets are composed of individually designed links and are therefore tapered perfectly to the wrist for maximum comfort, however and wherever you may travel.

Features

The Seiko Astron GPS Solar Dual-Time

The Astron revolution continues apace with the addition of a third caliber, designed specifically for the global traveller. 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 Dual-Time caliber, you can read not only the time where you are, but also the time in your home time zone.

GPS® Solar

The world’s first GPS solar watch

By connecting to the GPS network, the new Astron adjusts at the touch of a button to your time zone* and, by taking all the energy it needs from light alone, never needs a battery change.

  • For the time zone information of your caliber, please refer to here. If there are changes in the region/time zone, manual time zone selection may be required.

Dynamic movement of the hands, which can sense the connection with satellites

When GPS signals are received, the second hand starts moving, indicates the number of satellites, and then displays the current time.
It is an emotional moment, feeling an identification with GPS satellites 20000km away.

High reception performance of an exclusive Seiko ring antenna

An exclusive Seiko ring antenna placed under the dial ring is suitable for automatic reception as it can easily receive signals regardless of posture.

In-flight mode

In order to avoid any interference with the operation of electronic devices in an airplane, in-flight mode is available when boarding a plane. In the in-flight mode, the GPS signal reception function will not work.

DST (Daylight Saving Time)

In areas where DST (Daylight Saving Time) applies, the time can be adjusted manually.