CH366A - Quadruple-dial watch, i.e. two date and second-second hand free of the passage of the hour and minute hands - Google Patents

Quadruple-dial watch, i.e. two date and second-second hand free of the passage of the hour and minute hands

Info

Publication number
CH366A
CH366A CH366A CH366DA CH366A CH 366 A CH366 A CH 366A CH 366 A CH366 A CH 366A CH 366D A CH366D A CH 366DA CH 366 A CH366 A CH 366A
Authority
CH
Switzerland
Prior art keywords
quadruple
date
hour
passage
hand free
Prior art date
Application number
CH366A
Other languages
French (fr)
Inventor
Fils Perret
Original Assignee
Perret & Fils
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 Perret & Fils filed Critical Perret & Fils
Publication of CH366A publication Critical patent/CH366A/en

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
    • G04B19/241—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars the date is indicated by one or more hands
    • 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
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • G04B19/25366—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement manually corrected at the end of months having less than 31 days

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH366A 1889-01-14 1889-01-14 Quadruple-dial watch, i.e. two date and second-second hand free of the passage of the hour and minute hands CH366A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH366T 1889-01-14

Publications (1)

Publication Number Publication Date
CH366A true CH366A (en) 1889-03-18

Family

ID=4177871

Family Applications (1)

Application Number Title Priority Date Filing Date
CH366A CH366A (en) 1889-01-14 1889-01-14 Quadruple-dial watch, i.e. two date and second-second hand free of the passage of the hour and minute hands

Country Status (1)

Country Link
CH (1) CH366A (en)

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