Thin wrist-watch

Details Thin wrist-watch Thin wrist-watch

1981-01-22

1984-07-10

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With mechanical or electromechanical driven display

368234, 368296, G04B 1920, G04B 3700

Patent

active

044590326

ABSTRACT:
A thin electronic wrist-watch the thickness of which is constituted by the uperposition of a first crystal, at least two time indicating discs and a case back, the latter including a second crystal. The gears are supported on specially designed studs and means are provided to limit axial gear play.

REFERENCES:
patent: Re22640 (1945-05-01), Prins
patent: 2153004 (1939-04-01), Robanet
patent: 2618118 (1952-11-01), Harris et al.
patent: 2852908 (1958-09-01), Stern et al.
patent: 3408810 (1968-07-01), Meitinger
patent: 3792578 (1974-02-01), Hetzel
patent: 4132061 (1979-07-01), Mathis
patent: 4382690 (1983-05-01), Erard

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