Battery-containing crown for wristwatches

Details Battery-containing crown for wristwatches Battery-containing crown for wristwatches

1979-01-24

1980-12-23

Rubinson, Gene Z.

Horology: time measuring systems or devices

Power supply details

Electrical

368203, G04B 100

Patent

active

042414407

ABSTRACT:
A voltage source is arranged within the stem control crown of a timekeeping watch. The crown is designed similar to a knob shell and forms a component of the electric circuit of the watch. This specific battery arrangement allows an easy exchange of batteries, even by unskilled persons, and makes furthermore feasible, a more compact arrangement and miniaturization of the individual watch components.

REFERENCES:
patent: 3670491 (1972-06-01), Weschler

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