CN101281386B
(en )
2011-12-14
Timepiece comprising a device indicating the power reserve
CN107179672B
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2021-08-10
Energy storage mechanism, movement and timepiece
CH305465A
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1955-02-28
Watch.
CH294760A
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1953-11-30
Indicator of the development of the mainspring of watches and other apparatus with clockwork movement.
DE1006349B
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1957-04-11
Differential gear for monitoring the winding condition of a clockwork
CH329449A
(en )
1958-04-30
Indicator of the winding degree of a watchmaking instrument spring
DE14710C
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Device on clocks to control the winding of the spring
DE173601C
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CN111505926A
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2020-08-07
Mechanical clock information display device capable of judging state of spiral power spring in real time
CH13340A
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1897-06-30
Device indicating the degree of development or winding of the barrel spring of watches and other long-running timepieces
CH4764A
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1892-10-31
Progress indicator and spring development for watches with 1 to 8 days of operation that can be used as a simple date
CH251176A
(en )
1947-10-15
Process for continuously monitoring the degree of winding and development of the spring of a watch and device for implementing this process.
CH228472A
(en )
1943-08-31
Device on a clock to display the expiry or Winding condition of the watch.
CH101207A
(en )
1923-09-17
Winding indicator device for timepieces.
CH101851A
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1923-11-01
Winding indicator for chronometric mechanisms that do not wind daily.
CH292855A
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1953-08-31
Self-winding watch.
CH162786A
(en )
1933-07-15
Indicator of development of an elastic motor organ.
CH260356A
(en )
1949-03-15
Motor spring development indicator device for a self-winding watch.
CH89272A
(en )
1921-05-02
Marine chronometer.
CH237432A
(en )
1945-04-30
Automatic indicator of the tension state of a mainspring.
CH678474B5
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1992-03-31
CH35947A
(en )
1906-11-30
Watch spring tension indicator
CH26137A
(en )
1903-08-15
Mechanism indicating the degree of development or winding of a watch assembly spring
CH13141A
(en )
1897-04-30
Simplified running indicator
CH6286A
(en )
1893-07-31
Watch rate control device, indicating at any time the degree of development or winding of the mainspring and thus making it possible to know whether the watch needs to be wound