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2. Omega Marine Chronometer - Wikipedia

   en.wikipedia.org/wiki/Omega_Marine_Chronometer

   With the Omega Marine Chronometer wristwatch movement of 1974 as a basis a Quartz Marine Chronometer clock movement was designed with a high-frequency 4.19 MHz (2 22 or 4,194,304 Hz) quartz oscillator that should be capable of an accuracy of approximately ± 0.01 second/day. Where quartz elements were usually lens-shaped, this one was barrel ...

3. Omega SA - Wikipedia

   en.wikipedia.org/wiki/Omega_SA

   Omega's early prowess in designing and regulating timing movements was made possible by the company's incorporation of new chronometric innovations. [41] The distinctive Omega Constellation day-date model of 1980's generation that was known as "Manhattan", equipped with quartz movement, Cal. 1444. Notable dates for the Omega precision records: [41]

4. Omega Chrono-Quartz - Wikipedia

   en.wikipedia.org/wiki/Omega_Chrono-Quartz

   In 1977 Omega released the calibre 1620, which was a full digital LCD chronograph in numerous executions of Constellation and Speedmaster Professional. The full LCD display of the omega Chronograph rendered the Chrono-Quartz obsolete, at the same time changes in design and fashion moved towards slimmer and smaller watches, by comparison the ...

5. Coaxial escapement - Wikipedia

   en.wikipedia.org/wiki/Coaxial_escapement

   The escapement was commercialized in 1999 by Omega SA when it introduced the first mass-produced watch incorporating the technology. [11] It is the only escapement other than the Swiss lever escapement that is produced on an industrial scale. When it first came to the market as the Caliber 2500, it had an oscillation rate of 28,800 beats per ...

6. Omega Seamaster - Wikipedia

   en.wikipedia.org/wiki/Omega_Seamaster

   The first full anti-magnetic movement and Master Chronometer certified by the COSC is the Omega Constellation "Pie-Pan" Globemaster. This movement is capable of having a see-through case-back (the cal. 8800 in the new Seamaster 300 M) characterized by a movement with fully anti-magnetic parts.

7. Quartz clock - Wikipedia

   en.wikipedia.org/wiki/Quartz_clock

   Only approximately 0.2% of the Swiss made quartz watches are chronometer-certified by the COSC. [15] These COSC chronometer-certified movements can be used as marine chronometers to determine longitude by means of celestial navigation. [16] [17] [18]