CH3751A - Improvement in the construction of calendar watches - Google Patents
Improvement in the construction of calendar watchesInfo
- Publication number
- CH3751A CH3751A CH3751A CH3751DA CH3751A CH 3751 A CH3751 A CH 3751A CH 3751 A CH3751 A CH 3751A CH 3751D A CH3751D A CH 3751DA CH 3751 A CH3751 A CH 3751A
- Authority
- CH
- Switzerland
- Prior art keywords
- improvement
- construction
- calendar watches
- watches
- calendar
- Prior art date
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
- G04B19/25333—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3751T | 1891-07-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH3751A true CH3751A (en) | 1891-12-15 |
Family
ID=4185573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH3751A CH3751A (en) | 1891-07-08 | 1891-07-08 | Improvement in the construction of calendar watches |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH3751A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH685585GA3 (en) * | 1994-01-21 | 1995-08-31 | Patek Philippe Sa | Watch day display mechanism |
-
1891
- 1891-07-08 CH CH3751A patent/CH3751A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH685585GA3 (en) * | 1994-01-21 | 1995-08-31 | Patek Philippe Sa | Watch day display mechanism |
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