FR1130973A - Watch improvement - Google Patents

Watch improvement

Info

Publication number
FR1130973A
FR1130973A FR1130973DA FR1130973A FR 1130973 A FR1130973 A FR 1130973A FR 1130973D A FR1130973D A FR 1130973DA FR 1130973 A FR1130973 A FR 1130973A
Authority
FR
France
Prior art keywords
watch
improvement
watch improvement
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
Other languages
French (fr)
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.)
Ernest Borel & Cie S A
Original Assignee
Ernest Borel & Cie S A
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 Ernest Borel & Cie S A filed Critical Ernest Borel & Cie S A
Application granted granted Critical
Publication of FR1130973A publication Critical patent/FR1130973A/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
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25306—Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1130973D 1954-10-27 1955-09-15 Watch improvement Expired FR1130973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1130973X 1954-10-27

Publications (1)

Publication Number Publication Date
FR1130973A true FR1130973A (en) 1957-02-14

Family

ID=4559176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1130973D Expired FR1130973A (en) 1954-10-27 1955-09-15 Watch improvement

Country Status (1)

Country Link
FR (1) FR1130973A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3575888A1 (en) * 2018-05-30 2019-12-04 Rolex Sa Optical device for timepiece

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3575888A1 (en) * 2018-05-30 2019-12-04 Rolex Sa Optical device for timepiece
US11449011B2 (en) 2018-05-30 2022-09-20 Rolex Sa Optical device for a timepiece

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