FR520834A - Improvements to watch movements - Google Patents

Improvements to watch movements

Info

Publication number
FR520834A
FR520834A FR520834A FR520834DA FR520834A FR 520834 A FR520834 A FR 520834A FR 520834 A FR520834 A FR 520834A FR 520834D A FR520834D A FR 520834DA FR 520834 A FR520834 A FR 520834A
Authority
FR
France
Prior art keywords
watch movements
watch
movements
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
FR520834A
Other languages
French (fr)
Inventor
Eugene Boussion
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.)
EUGENE BOUSSION
Original Assignee
EUGENE BOUSSION
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 EUGENE BOUSSION filed Critical EUGENE BOUSSION
Application granted granted Critical
Publication of FR520834A publication Critical patent/FR520834A/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
    • G04B33/00—Calibers
    • G04B33/12—Calibers for extremely long running times

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR520834A 1920-07-21 1920-07-21 Improvements to watch movements Expired FR520834A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR520834T 1920-07-21

Publications (1)

Publication Number Publication Date
FR520834A true FR520834A (en) 1921-07-02

Family

ID=8916923

Family Applications (1)

Application Number Title Priority Date Filing Date
FR520834A Expired FR520834A (en) 1920-07-21 1920-07-21 Improvements to watch movements

Country Status (1)

Country Link
FR (1) FR520834A (en)

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