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 efficient at running perfectly at
43,200 vph or 6 hertz-even without lubrication on the pallet stones,
which would quickly dissipate at that speed anyway. The omission of
lubricant solves a dilemma containing plagued watchmakers for as long as
mechanical timepieces have been common: gumming or hardening of your
oil.
This fresh escapement is dependant an invention by Parisian royal
clockmaker Robert Robin (1742-1799). He produced new system in 1791 that
combined the virtues of the well-known escapements of the day,
so-called free-sprung escapement and one including energy transfer via
pallet fork and guard pin in the precursor on the modern Swiss lever
escapement as invented by Thosmas Mudge in 1759.
Audemars Piguet has succeeded in securing the aspects of both systems
in its new high-frequency escapement, solving the oil problem and
introducing a new and important ingredient of the experience: rate
precision.”see more copie montre and Breitling
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