When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Solar-powered watch - Wikipedia

   en.wikipedia.org/wiki/Solar-powered_watch

   Seiko LCD Solar Alarm Chronograph A156-5000, 1978: Seiko's first solar-powered watch A solar-powered watch or light-powered watch is a watch that is powered entirely or partly by a solar cell . History

3. Seiko - Wikipedia

   en.wikipedia.org/wiki/Seiko

   In 2005, Seiko launched the world's first solar-powered analog watch that adjusts its accuracy by receiving three radio signals from Japan, Germany, and the United States. [ 5 ] [ 23 ] In 2006, Seiko launched the world's first wristwatch based on microcapsule E-ink technology.

4. Automatic quartz - Wikipedia

   en.wikipedia.org/wiki/Automatic_quartz

   This model was an attempt to enter higher-priced markets (at a cost of around $1000 USD), but the technology failed to attract consumer interest and Citizen has since stopped making use of the unique movement. No other autoquartz powered watch from Citizen is known; all other Eco-Drive models only use solar power or thermal power. [citation needed]

5. Eco-Drive - Wikipedia

   en.wikipedia.org/wiki/Eco-Drive

   The technical platform that made the Eco-Drive concept possible was the Eco-Drive caliber 7878 movement. This movement was the first light-powered movement where the solar cells could be mounted under the dial. Previous light powered watches from Citizen and other manufacturers had the solar cell(s) mounted directly on the dial.

6. Astron (wristwatch) - Wikipedia

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

   The Astron was unveiled in Tokyo on December 25, 1969, after ten years of research and development at Suwa Seikosha (currently named Seiko Epson), a manufacturing company of Seiko Group. Within one week 100 gold watches had been sold, at a retail price of 450,000 yen ( US$1,250 (equivalent to $10,386 in 2023)) each (at the time, equivalent to ...

7. Pulsar (watch) - Wikipedia

   en.wikipedia.org/wiki/Pulsar_(watch)

   Pulsar P4 Time Computer with LED display ref. 3215-2 mens stainless steel watch circa 1975 Made in the USA A Pulsar LED watch from 1976. In 1970, Pulsar was a brand of the American Hamilton Watch Company which first announced that it was making and bringing the LED watch to market. It was developed jointly by American companies Hamilton and ...