CH548630ACH384971ACH384971ACH548630ACH 548630 ACH548630 ACH 548630ACH 384971 ACH384971 ACH 384971ACH 384971 ACH384971 ACH 384971ACH 548630 ACH548630 ACH 548630A
Authority
CH
Switzerland
Application number
CH384971A
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
Priority claimed from JP45021490Aexternal-prioritypatent/JPS4939705B1/ja
Application filedfiledCritical
Publication of CH548630ApublicationCriticalpatent/CH548630A/xx
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
G04B19/25—Devices for setting the date indicators manually