Erwin Sattler
RUBIES FOR THE ESCAPEMENT LEVER BEARINGS
RUBIES FOR THE ESCAPEMENT LEVER BEARINGS
Regular price
$180.00 USD
Regular price
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$180.00 USD
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The longevity of the M4 can be enhanced with a set of rubies for the escapement lever bearings. The standard brass bushings replaced through non-wearing ruby perforated bricks.
Treasures are kept safe and hidden inside a fascinating and impressive precision pendulum clock
The Troja Sonata M, a precision pendulum clock with half-hour impact mechanism and moon phase display. As an imposing grandfather clock, it can also hide the most secret treasures … In addition, the video also shows the Secunda Sonata, the counterpart as a classic precision pendulum clock for the wall.