Waterproof sport watch

Details Waterproof sport watch Waterproof sport watch

1979-09-04

1981-01-06

Weldon, Ulysses

Horology: time measuring systems or devices

Cases

With protection means

368224, 368289, 368294, G04B 3700

Patent

active

042440440

ABSTRACT:
A waterproof sport watch utilizing a solid state digital watch module which is completely enclosed in a sealed casing, with no protruding buttons or other actuating devices. The module is fixed in a casing having a removable back, sealed by an O-ring, for battery and servicing access. The front of the watch is enclosed by a transparent cover, also sealed by an O-ring, the cover being rotatable to indexed positions and having integral cams which actuate the watch module controls, a stopwatch action being obtained by squeezing the cover at one indexed position. The watch is particularly suitable for use by divers and is very easy to operate under water.

REFERENCES:
patent: 3255319 (1966-06-01), Paine
patent: 3545198 (1970-12-01), Loftus
patent: 3975899 (1976-08-01), Haber
patent: 4038814 (1979-08-01), Niida
patent: 4048796 (1977-09-01), Sasaki
patent: 4051665 (1977-10-01), Arn
patent: 4170104 (1979-10-01), Yamagata
patent: 4178751 (1979-12-01), Liautaud
patent: 4184321 (1980-01-01), Tarusawa

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