2024年3月19日 · The world’s first GPS solar watch. By connecting to the GPS network, the 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.

The Astron wristwatch, formally known as the Seiko Quartz-Astron 35SQ, was the world's first "quartz clock" wristwatch. It is now registered on the List of IEEE Milestones as a key advance in electrical engineering.

Astron GPS Solar is one of the world’s most advanced wristwatches. It adjusts at the touch of a button to your time zone by connecting to the GPS satellite network. It takes all the energy it needs from light alone and yet delivers the unsurpassed precision of an atomic clock.

Strong and distinctive, with its perfectly sculpted octagonal titanium bezel, this dynamic timepiece combines solid tailoring with the highest degree of accuracy possible in a wristwatch.

It was the world’s first practical quartz wristwatch and is the grandfather of all analog quartz wristwatches. It offered an accuracy rate of ±0.2 seconds a day at a time when mechanical wristwatches were many times less precise.

2025年1月28日 · Seiko Astron GPS Solar Dual Time Sport Titanium (SSH063) Four years later, another version of the Astron emerged, called the 5X series and now boasting an even more compact case size of 42.9mm (12.2mm thick) — smaller than many of Seiko’s popular dive watches and now able to claim the title of the world’s thinnest GPS-equipped watch.

Astron GPS Solar 5-X Titanium Dual Time Collection. With the strong, sleek lines of the Seiko Astron, the world’s first commercially available quartz watch, today’s Astron is designed for a new generation of leaders, embodying the pursuit of excellence in both innovation and style.

In the half century since its debut, the Astron has evolved its design in a way different from other luxury watches by incorporating state-of-the-art technologies, such as introducing the world’s first GPS solar watch.

2024年9月26日 · This makes these new Astron models fantastic multifunctional tool watches that also look good. These watches combine great materials and finish with the latest in tech. But once on the wrist, they do not feel like technological wonders.

Seiko Astron. The world's first GPS Solar watch.