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Erwin Sattler



Regular price $780.00 USD
Regular price Sale price $780.00 USD
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To compensate the negative influence of changing air pressure a barometric instrument with aneroids can be delivered. This upgrade is a must to increase the accuracy of your Mechanica.
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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.