Watertight watch

Details Watertight watch Watertight watch

1990-09-10

1991-07-16

Roskoski, Bernard

Horology: time measuring systems or devices

Cases

With bezel or crystal details

368309, 368281, 368282, G04B 3700, G04B 3900

Patent

active

050330357

ABSTRACT:
The watch has a housing, composed of a metal center part (1) having a molded-on glass collar (1a), a watch glass (2), over whose rim (2a) the glass collar engages, and a metal base (3) fixed to the center part by screws (8). A movement retaining ring (6) made from plastic is inserted in the center part (1). A first seal (4) lies between the movement retaining ring (6) and the rim (2a) of the watch glass (2) and a second seal (5) between the movement retaining ring (6) and the base (3). The screws (8), which pass through apertures (9) in the edge region (3a) of the base (3) and are screwed into axial threaded openings (10) in the center part (1) not only serve to secure the base but also simultaneously compress both seals (4, 5) when tightened.

REFERENCES:
patent: Re32617 (1988-03-01), Gogniat
patent: 3755017 (1973-09-01), Genta
patent: 4075828 (1978-02-01), Klingenberg
patent: 4390288 (1983-06-01), Arnoux
patent: 4440505 (1984-04-01), Gogniat
patent: 4696577 (1987-09-01), Muller et al.

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