Quick hour setting system for timepiece

Details Quick hour setting system for timepiece Quick hour setting system for timepiece

1979-12-31

1981-03-03

Witkowski, Stanley J.

Horology: time measuring systems or devices

Regulating means

For setting

368 76, 368 80, 368196, 368220, G04C 314, G04B 2700, G04B 1300

Patent

active

042544939

ABSTRACT:
A watch having epicyclic speed reduction gearing to drive the hour hand from the minute hand with quick hour setting device to change the hour hand without affecting the timekeeping function being measured by the minute hand.

REFERENCES:
patent: 2036050 (1936-03-01), Kenerson
patent: 3019594 (1962-02-01), Sundt
patent: 3043090 (1962-07-01), Sundt
patent: 3184909 (1965-05-01), Lohf et al.
patent: 3498045 (1970-03-01), Kemenczky

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