Water-resistant shaped case construction for a wristwatch

Details Water-resistant shaped case construction for a wristwatch Water-resistant shaped case construction for a wristwatch

1982-01-11

1983-09-13

Truhe, J. V.

Horology: time measuring systems or devices

Cases

With bezel or crystal details

368280, 368286, 368291, 368309, G04B 3700, G04B 3900

Patent

active

044038704

ABSTRACT:
A water-resistant shaped case construction for a wristwatch with a bell-shaped molded crystal with a central viewing portion and a depending wall forming part of the case including an integral pendant for the stem, a stainless steel bezel shell clamping a sealing gasket between the rim of the crystal wall and the caseback by a snap-fit attachment between the bezel and the case back. The improvements include a shoulder on the crystal wall cooperating with the rim of the caseback to control the clamping action on the gasket.

REFERENCES:
patent: 2735259 (1956-02-01), Gisiger
patent: 2845773 (1958-08-01), Sakalys
patent: 3719038 (1973-03-01), Klingenberg

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