Horology: time measuring systems or devices – Cases – Wrist worn
Patent
1984-07-05
1986-04-08
Roskoski, Bernard
Horology: time measuring systems or devices
Cases
Wrist worn
368294, G04B 3700
Patent
active
045809070
ABSTRACT:
A watch case is described made of metal or metal compound, comprising a back, a middle and a bezel. The case is made up of a stack of plates with one plate forming the back cover and the others being formed with openings and forming the middle and the bezel.
REFERENCES:
patent: 4218873 (1980-08-01), Lang
patent: 4421423 (1983-12-01), Lederrey
patent: 4487513 (1984-12-01), Matsumoto
ETA S.A. Fabriques D'Ebauches
Roskoski Bernard
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