enow.com Web Search

  1. Ads

    related to: seiko satellite atomic time watches reviews consumer reports

Search results

  1. Results from the WOW.Com Content Network
  2. 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 ...

  3. Radio clock - Wikipedia

    en.wikipedia.org/wiki/Radio_clock

    A modern LF radio-controlled clock. A radio clock or radio-controlled clock (RCC), and often colloquially (and incorrectly [1]) referred to as an "atomic clock", is a type of quartz clock or watch that is automatically synchronized to a time code transmitted by a radio transmitter connected to a time standard such as an atomic clock.

  4. Quartz clock - Wikipedia

    en.wikipedia.org/wiki/Quartz_clock

    In laboratory settings atomic clocks had replaced quartz clocks as the basis for precision measurements of time and frequency, resulting in International Atomic Time. By the 1980s, quartz technology had taken over applications such as kitchen timers , alarm clocks , bank vault time locks , and time fuzes on munitions, from earlier mechanical ...

  5. Atomic clock - Wikipedia

    en.wikipedia.org/wiki/Atomic_clock

    Global Navigational Satellite Systems (GNSS) provide a satisfactory solution to the problem of time transfer. Atomic clocks are used to broadcast time signals in the United States Global Positioning System (GPS), the Russian Federation's Global Navigation Satellite System (GLONASS), the European Union's Galileo system and China's BeiDou system.

  6. List of atomic clocks - Wikipedia

    en.wikipedia.org/wiki/List_of_atomic_clocks

    18 cesium atomic clocks and 4 hydrogen maser clocks Cs, H National Institute of Information and Communications Technology; Koganei, ... DOST-PAGASA Juan Time [27]

  7. Seiko - Wikipedia

    en.wikipedia.org/wiki/Seiko

    In 2006, Seiko launched the world's first wristwatch based on microcapsule E-ink technology. This watch was the first Seiko watch to win an award at the Grand Prix de Genève for its innovative ability to bend the display part, in addition to providing more contrast and a wider viewing angle than conventional LCD displays. [5] [23]

  8. Automatic quartz - Wikipedia

    en.wikipedia.org/wiki/Automatic_quartz

    Kinetic technology has also been used in some of Seiko's Pulsar and Lorus watches. As of 2007, Seiko has sold more than eight million automatic quartz watches. [2] The different calibres of Kinetic watches currently are relatively large and heavy, weighing in at 1/3 of a pound (150 grams) or more on many models.

  9. 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.

  1. Ads

    related to: seiko satellite atomic time watches reviews consumer reports