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  2. Solar-powered watch - Wikipedia

    en.wikipedia.org/wiki/Solar-powered_watch

    A Casio solar-powered watch, manufactured no later than 2009. Typically, sunlight and artificial light are absorbed by a solar panel behind the crystal. The dial is either on a layer above or actually on the solar panel. This solar panel converts the light into electrical energy to power the watch. The watch will usually store energy in a ...

  3. Seiko - Wikipedia

    en.wikipedia.org/wiki/Seiko

    Seiko's Wako store in Ginza serves as the company's registered office. Seiko Group Corporation (セイコーグループ株式会社, Seikō Gurūpu kabushiki gaisha), commonly known as Seiko (/ ˈseɪkoʊ / SAY-koh, Japanese: [seːkoː]), is a Japanese maker of watches, clocks, electronic devices, semiconductors, jewelry, and optical products.

  4. Automatic quartz - Wikipedia

    en.wikipedia.org/wiki/Automatic_quartz

    Seiko AGS SCUBA Diver 200m 5M23-6A60, 1993. Automatic quartz is a collective term describing watch movements that combine a self-winding rotor mechanism [1] (as used in automatic mechanical watches) to generate electricity with a piezoelectric quartz crystal as its timing element. Such movements aim to provide the advantages of quartz without ...

  5. 30 Affordable Watches That Look More Expensive Than They Are

    www.aol.com/30-affordable-watches-look-more...

    On the more affordable front, watch brands like Casio, Fossil, Timex, and Invicta are known for making reliable, stylish watches that come under $100 or $200. These brands make cheap watches that ...

  6. Chronograph - Wikipedia

    en.wikipedia.org/wiki/Chronograph

    Chronograph. An Omega Speedmaster Professional, which is commonly regarded as one of the most iconic chronographs ever produced. Gallet MultiChron Astronomic (c. 1959)—complex mechanical chronograph with 12-hour recording capabilities, automatic day, date, month, and moon phase display. A chronograph is a specific type of watch that is used ...

  7. Astron (wristwatch) - Wikipedia

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

    Analogue. Introduced. December 25, 1969. Quartz Movement of the Seiko Astron, 1969 (Deutsches Uhrenmuseum, Inv. Inv. 2010-006) 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.