Way back in 2006 the manufacture introduced a new escapement that
functioned at a less frenetic 21,600 vph, but even at that time tests
had shown that the AP escapement was capable of running perfectly at
43,200 vph or 6 hertz-even without any lubrication on the pallet stones,
which would quickly dissipate at that speed anyway. The omission of
lubricant solves a problem which has plagued watchmakers provided that
mechanical timepieces have been common: gumming or hardening from the
oil.
This fresh escapement is based on an invention by Parisian royal
clockmaker Robert Robin (1742-1799). He created a new system in 1791
that combined the virtues of the well-known escapements through the day,
so-called free-sprung escapement and one including energy transfer via
pallet fork and guard pin within the precursor towards the modern Swiss
lever escapement as designed by Thosmas Mudge in 1759.
Audemars Piguet has succeeded in securing the great things about both
systems in its new high-frequency escapement, solving the oil problem
and introducing a different and important section the game: rate
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