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 lubrication of the pallet stones, which would
quickly dissipate at that speed anyway. The omission of lubricant solves
a difficulty that’s plagued watchmakers as long as mechanical
timepieces have been around: gumming or hardening from the oil.
This fresh escapement will be based upon an invention by Parisian
royal clockmaker Robert Robin (1742-1799). He developed a new system in
1791 that combined the virtues of the two well-known escapements through
the day, so-called free-sprung escapement and one including energy
transfer via pallet fork and guard pin included in the precursor to the
modern Swiss lever escapement as introduced by Thosmas Mudge in 1759.
Audemars Piguet has succeeded in securing the benefits of both
systems in its new high-frequency escapement, solving the oil problem
and introducing the latest and important component to the game: rate
precision.”mehr sehen replika rolex und Rolex GMT
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