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The Certina DS Action Diver is powered by the automatic Powermatic 80, displaying the hours, minutes, seconds and the date. This precise and reliable movement is a modernized version of the tried-and-tested ETA 2824, with several improvements, notably a beefed-up 80-hour power reserve (most movements at this price point come with less than 2 days of power reserve). This was achieved thanks to a frequency reduced to 21,600 vibrations per hour and a modified kinetic chain. Used by Swatch Group brands, the Powermatic 80 does offer a substantial competitive advantage in the accessible mechanical Swiss-made watches. For more information,
you can read our dedicated review of this movement here.
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