FR1216990A - Improvements to winding crowns for waterproof watches - Google Patents

Improvements to winding crowns for waterproof watches

Info

Publication number
FR1216990A
FR1216990A FR778147A FR778147A FR1216990A FR 1216990 A FR1216990 A FR 1216990A FR 778147 A FR778147 A FR 778147A FR 778147 A FR778147 A FR 778147A FR 1216990 A FR1216990 A FR 1216990A
Authority
FR
France
Prior art keywords
waterproof watches
winding crowns
crowns
winding
watches
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
FR778147A
Other languages
French (fr)
Inventor
Yves-Marc-Joseph Cheval
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.)
CHEVAL FRERES ETS
Original Assignee
CHEVAL FRERES ETS
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 CHEVAL FRERES ETS filed Critical CHEVAL FRERES ETS
Priority to FR778147A priority Critical patent/FR1216990A/en
Application granted granted Critical
Publication of FR1216990A publication Critical patent/FR1216990A/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
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR778147A 1958-11-03 1958-11-03 Improvements to winding crowns for waterproof watches Expired FR1216990A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR778147A FR1216990A (en) 1958-11-03 1958-11-03 Improvements to winding crowns for waterproof watches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR778147A FR1216990A (en) 1958-11-03 1958-11-03 Improvements to winding crowns for waterproof watches

Publications (1)

Publication Number Publication Date
FR1216990A true FR1216990A (en) 1960-04-29

Family

ID=8707920

Family Applications (1)

Application Number Title Priority Date Filing Date
FR778147A Expired FR1216990A (en) 1958-11-03 1958-11-03 Improvements to winding crowns for waterproof watches

Country Status (1)

Country Link
FR (1) FR1216990A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748849A (en) * 1970-11-13 1973-07-31 Orient Watch Co Ltd Water-proof wrist watch case having oval glass profile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748849A (en) * 1970-11-13 1973-07-31 Orient Watch Co Ltd Water-proof wrist watch case having oval glass profile

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