Armin Strom ARF15, Owner'S Manual

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SUSTAINING A CONSISTENT RESONANCE STATE:
A SOLUTION TO THE 200-YEAR OLD PROBLEM
The pursuit of a consistent state of resonan-
ce is what ultimately led Claude Greisler
to conclude that Abraham-Louis Breguet’s
approach, which achieves resonance
via precise balance-wheel proximity, was
of little actual utility in the context of
his precision-oriented horological ambiti-
ons. Greisler’s goal was to harness the
resonance phenomenon in a wristwatch
with sufficient consistency to enable
his wristwatch to operate with marine-
chronometer precision, despite the ever-
changing positions of the human wrist.
Marine Chronometer accuracy targets
consistency as its sole goal; meaning that
it must gain or lose precisely the same
number of seconds every single day wit-
hout variation. Contrast this with the vari-
able plus/minus approach for a standard
wristwatch and the difference becomes
exceedingly clear. It would require two
balance wheels to dynamically regulate
each other on a consistent basis in order
for Greisler’s ambition to be achieved. In
the end, Greisler’s solution would require a return to first principles and a deep
exploration of the resonance theories of
Christiaan Huygens (the father of mathe-
matical physics and the inventor of the
pendulum clock; who had died over 50
years before Breguet was even born). In
keeping with his desire to restrict his solu-
tion to the same materials that his watch-
maker-grandfather could have used,
Greisler’s developed his „Huygens Reso-
nance Clutch Spring“ in steel. He spent
three years perfecting its shape and
characteristics: recalculating, optimizing,
simulating, testing, retesting and achie-
ving incremental improvements until the
‚Huygens Clutch Spring‘ had developed
into its current form. This patented clutch
spring design maintains an optimal a
state of resonance by synchronizing two
sets of oscillators (comprising twin balance
wheels and balance springs) in what
Huygens described as a state of ‚odd sym-
pathy‘ (oscillating in perfect consonance
but in opposite directions, while synchro-
nized in anti-phase).