watchionary

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Retrograde
The Van Cleef & Arpels Lady Arpels Ronde des Papillons, www.vancleefarpels.com
Retrograde

When an indication does not complete a full round of the dial, but instead returns to its start position and restarts after completing its whole measurement segment, the display is said to be retrograde. A retrograde dial has an arc form and may display features like date, day, power reserve and more.

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