Portable device including a visible mechanism

Horology: time measuring systems or devices – Display trains

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Details

368280, 368318, G04B 1902, G04B 3700

Patent

active

045346607

ABSTRACT:
The components of a mechanical watch are mounted inside a supporting structure comprising a stack of transparent plates made of corundum, spinel or quartz. Some of the plates are formed with cut-outs which define in the assembled structure housings for accommodating said components.

REFERENCES:
patent: 1600889 (1926-09-01), Kislinger
patent: 1740427 (1929-12-01), Kislinger
patent: 2252647 (1941-08-01), Schmitz
patent: 4362397 (1982-12-01), Klingenberg
patent: 4459032 (1984-07-01), Musy

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