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DE2424212A1
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Drive oscillator for electric timepiece - is fitted with oscillating balance wheel secured to torsion wire
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WIRELESS CONTROLLED WATCH
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CIRCUIT ARRANGEMENT FOR THE SPEED CONTROL OF A DC COLLECTOR MOTOR
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CIRCUIT ARRANGEMENT FOR ELECTRONIC WAKE-UP SIGNAL CONTROL
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Device for converting oscillatory movement into rotary movement
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Improvements in or relating to oscillators
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FR1527574A
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Bell switch for alarm clocks with battery-powered bell
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Shock-proof bearing mount for sensitive shafts, especially the shafts of watches and especially wristwatches
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Electromotive mainspring from time works, preferably for battery operation
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Calendar clock
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Self-winding mechanism, more especially for wrist watches
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GB751426A
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Self-winding mechanism, more especially for wrist watches
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Back arrangement for clockworks
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Spring winding key with folding handle, especially for watches
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Winding keys for clocks, especially for alarm clocks
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DE1141953B
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Self-winding device for clocks, in particular wristwatches
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GB732254A
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Improvements in alarm clocks
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Spring-loaded shaft bearings for unrest or the like in precision mechanical and time measuring devices
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Alarm clock with pre-alarm device
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Self-starting single-phase synchronous small motor
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