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2. Astron (wristwatch) - Wikipedia

   en.wikipedia.org/wiki/Astron_(wristwatch)

   In 2019, Seiko released several limited edition Astron models to commemorate the 50th anniversary of the quartz Astron. [5] [6] Among them, the model produced in a limited edition of 50 pieces (3.8 million yen) mimics the original case design and has a rough engraving pattern by craftsmen belonging to Epson's "Micro Artist Workshop".

3. GPS watch - Wikipedia

   en.wikipedia.org/wiki/GPS_watch

   A GPS watch is a device with integrated GPS receiver that is worn as a single unit ... Examples of these include Seiko Astron, a few G-Shocks, and Citizen Satellite ...

4. Seiko - Wikipedia

   en.wikipedia.org/wiki/Seiko

   In 2012, Seiko launched the world's first GPS solar watch, the Seiko Astron GPS Solar. Seiko positioned this watch as the second revolutionary wristwatch after the Astron, which was launched in 1969, and described that it had the ultimate practical functionality, being able to instantly display extremely accurate time anywhere in the world and ...

5. Quartz crisis - Wikipedia

   en.wikipedia.org/wiki/Quartz_crisis

   Quartz movement of the Seiko Astron, 1969. The quartz crisis (Swiss) or quartz revolution (America, Japan and other countries) was the advancement in the watchmaking industry caused by the advent of quartz watches in the 1970s and early 1980s, that largely replaced mechanical watches around the world.

6. Quartz clock - Wikipedia

   en.wikipedia.org/wiki/Quartz_clock

   [47] [52] In December 1969, Seiko produced the world's first commercial quartz wristwatch, the Seiko Quartz-Astron 35SQ [53] [54] which is now honored with IEEE Milestone. [55] [56] The Astron had a quartz oscillator with a frequency of 8,192 Hz and was accurate to 0.2 seconds per day, 5 seconds per month, or 1 minute per year. The Astron was ...

7. 'Nothing nefarious': Biden seeks to reassure US over drone ...

   www.aol.com/nothing-nefarious-biden-seeks...

   A puzzling flurry of apparent drone sightings along the US east coast is "nothing nefarious", says President Joe Biden. The sightings in recent weeks have occurred in New Jersey and a number of ...