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Bell & Ross Vintage 123 Pink Gold Jumping Hour (click to enlarge!)
Bell & Ross Vintage 123 Pink Gold Jumping Hour
© Bell & Ross

Jumping hours

Jumping hours (“Heures Sautantes”) is the name for digital hour indication on the dial.

In a small window, usually at the top of the dial, there is a disc with the hour numerals, which is advanced jumping every hour.

A. Lange & Söhne Zeitwerk with digital **jumping hour and minute display**. (click to enlarge!)
A. Lange & Söhne Zeitwerk with digital jumping hour and minute display.
© A. Lange & Söhne

Jumping minutes

The classic IWC Pallweber pocket watches (and modern reissues) also feature jumping minutes. The A. Lange & Söhne Zeitwerk features both jumping hours and minutes.

Jumping seconds

Analogous to jumping hours, but referring to the second hand, which then moves forward every second. (In watches with conventional balance frequency, e.g. 28,000 A/h, the hand moves in fractions of a second). The display of a hand advancing by seconds requires more constructive effort.

See: Dead-beat seconds

See also

jumping.txt · Last modified: 03.07.2022 15:35 by

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