Electronic wristwatches

Details Electronic wristwatches Electronic wristwatches

1978-12-19

1980-11-18

Jackmon, Edith S.

Horology: time measuring systems or devices

Chronological

With mechanical or electromechanical driven display

368 34, 368185, G04B 1924, G04B 2700

Patent

active

042349460

ABSTRACT:
This invention relates to a battery powered electronic wristwatch having a time changing device accommodated in a recess in the base plate of the watch which device operatively is connected to the adjustment shaft manipulatable externally of the watch casing to alter the position of the hands of the watch. The time changing device includes a pivotable setting lever which cooperates with the adjustment shaft and a spring for controlling the movement of the setting lever. A fixed body portion of the spring has a portion of its periphery shaped so as to conform to a peripheral portion of a base recess for accommodating the watch battery.

REFERENCES:
patent: 3032651 (1962-05-01), Gisiger-Stahl et al.
patent: 3762153 (1973-10-01), Komiyama et al.
patent: 3817024 (1974-06-01), Noguchi

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