GB952340A - Waterproof watch casing - Google Patents

Waterproof watch casing

Info

Publication number
GB952340A
GB952340A GB2120460A GB2120460A GB952340A GB 952340 A GB952340 A GB 952340A GB 2120460 A GB2120460 A GB 2120460A GB 2120460 A GB2120460 A GB 2120460A GB 952340 A GB952340 A GB 952340A
Authority
GB
United Kingdom
Prior art keywords
crystal
watch casing
june
waterproof watch
protective
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2120460A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB952340A publication Critical patent/GB952340A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/02—Evacuated cases; Cases filled with gas or liquids; Cases containing substances for absorbing or binding moisture or dust

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Abstract

952,340. Watches. H. U. KLINGENBERG. June 16,1960 [June 23, 1959], No. 21204/60. Heading G3T. Air is evacuated from the inside of a watch case so that the crystal or the back is held against an annular seat in the case band by the difference in air pressures acting on the opposite sides. In one example the edge of the crystal 3 rests on a sealing ring 4 and a protective crystal 5 which is held by an undercut portion 2b is provided. The protective crystal 5 may be omitted.
GB2120460A 1959-06-23 1960-06-16 Waterproof watch casing Expired GB952340A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH7480159 1959-06-23

Publications (1)

Publication Number Publication Date
GB952340A true GB952340A (en) 1964-03-18

Family

ID=4533643

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2120460A Expired GB952340A (en) 1959-06-23 1960-06-16 Waterproof watch casing

Country Status (2)

Country Link
DE (1) DE1816693U (en)
GB (1) GB952340A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114846413A (en) * 2019-12-09 2022-08-02 奥米加股份有限公司 Electronic watch including a Dewar device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114846413A (en) * 2019-12-09 2022-08-02 奥米加股份有限公司 Electronic watch including a Dewar device

Also Published As

Publication number Publication date
DE1816693U (en) 1960-08-11

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