TIME-KEEPING DEVICES INCLUDING INDICATIONS BY MAGNETIC PARTICLES IN SUSPENSION IN LIQUID FILLED CHAMBERS
A time-keeping device having a watch mechanism and method for use, the device having a watch dial that has at least one sealed chamber and/or capillary in a transparent substrate disposed on the side facing a user, and another side coupled to a micro-magnet drive system. The sealed chamber has at le...
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Sprache: | eng ; fre |
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