Horology: time measuring systems or devices – Cases – With bezel or crystal details
Patent
1985-07-08
1987-01-20
Roskoski, Bernard
Horology: time measuring systems or devices
Cases
With bezel or crystal details
368296, G04B 3700
Patent
active
046377344
ABSTRACT:
A case for a wrist watch includes a crystal, in particular, formed from a mineral material in the shape of a spherical cap which extends over the entire upper surface of the caseband and the edge of which descends to a level below that of the dial.
REFERENCES:
patent: 4327429 (1982-04-01), Klingenberg
Montres Rado S.A.
Roskoski Bernard
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