page_title: Omega Electroquartz
section_title: Omega Electroquartz clock
hierarchical_section_title: Omega Electroquartz / Omega Electroquartz clock
caption_attribution_description: English: Electroquartz clock owned by Thomas Dick
context_page_description: The Omega Electroquartz was introduced in 1969 as the first production Swiss quartz watch. It was the collaboration of 20 Swiss watch companies and the movement was utilised by Rolex, Patek Phillipe and Omega SA amongst others. The Beta 21 movement used in the Electroquartz was accurate to 5 seconds per month, far better than any automatic or manual wind movement of the day.
context_section_description: In addition to the beta 21 Electroquartz watches Omega also developed an 8192 Hz Electroquartz clock, this was Omega SA's first quartz production quartz clock and used a thermo-compensated quartz bar and integrated circuit, produced in very small numbers under caliber 1390.
  The quartz clock was supplied in a stylish grey Cycolac resin case, because of the size and complexities of the movement the clock was quite large and weighed in at over 1 kilo.
  The clock runs on 4 AA type batteries and has an accuracy of circa 12 seconds per year. It features time and date and has a lever for manually trimming the seconds without interfering with the operation of the watch.
  There are very few remaining examples of these clocks, other than those on display at the Omega museum in Bienne and Swiss Time Services in the UK, and there are less than 10 known examples in private collections. The pictured clock (owned by Omega collector Thomas Dick) is serviced and working correctly and is accurate to 12 seconds per year, which is within specification of +/- 1 second per month when kept at a constant temperature of between 10 °C and 30 °C.
caption: EQ clock
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