Horology: time measuring systems or devices – Cases – Wrist worn
Patent
1994-01-26
1995-02-21
Roskoski, Bernard
Horology: time measuring systems or devices
Cases
Wrist worn
G04B 3700
Patent
active
053922611
ABSTRACT:
A watch assembly is provided which comprises a watch sub assembly and a replaceable case whereby the watch sub assembly comprising a movement, a container for the movement, a face cover and a crown, is installed into the replaceable case, having a front aperture, a rear aperture and a means to receive a crown. The diameters of the face cover and the container for the movement are equal to the diameters of the front and rear apertures respectively to enable such installation.
REFERENCES:
patent: 1264650 (1918-04-01), Horcasitas et al.
patent: 2219277 (1940-10-01), Kaufmann
patent: 4627738 (1986-12-01), Kao
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