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ap_2510

AP 2510

Calibre 2510 was one of the first-generation quartz movements produced by Audemars Piguet.

Introduced in late 1974 or early 1975, Cal. 2510 was used in a unusual rounded rectangular model, matching the shape of the movement. It includes a date complication designed for a window at 6 00.

Cal. 2510 was produced in the initial heyday of quartz movements, when the accuracy of this new technology was highlighted. Therefore, it has a highly unusual adjustment mechanism An inset pusher at 4 00 advances the seconds hand one second per press, corresponding to the monthly deviation expected. If it is held in, the movement is stopped, enabling correction backward. The crown adjusts only the hour hand and date in second position, leaving the timekeeping and minute hand running, intended for use when traveling. Third position allows the time to be corrected as usual.

The similar Cal. 2511 is round, lacks the date complication, and has only two crown positions, using an inset pusher in the crown to adjust the seconds. It followed in 1977.

Manufacturer:

Description:

Functions:

  • Central hour, minute, and seconds hands
  • Date window at 6 00
  • Hour hand and date adjustment using the crown in first position
  • One-second corrector pusher at 4 00

Data:

  • 2,359,296 Hz
  • 31.0 x 25.6 x 6.0 mm
  • 15 months battery life
  • Accurate to +/- 1 second per month

Production period:

ap_2510.txt · Last modified: 03.07.2022 15:32 by 127.0.0.1

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