179721 ⎘
Apparatus for measuring unknown time intervals by mechanical means using a mechanical oscillator; Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with double hammer, i.e. one hammer acts on two counters
MECHANISM FOR MEASURING TIME FOR A TIMEPIECE MOVEMENT, IN PARTICULAR A CHRONOGRAPH MECHANISM
#2Spring-Loaded Zeroing Device
#3Clockwork selector mechanism
#4Chronograph reset system
#5SAFETY DEVICE AND STRIKING-WORK MECHANISM
#6Tourbillion with a zero reset mechanism
#7Chronograph and zeroing device for the minute hand of a chronograph
#8Timepiece comprising a device for switching a timekeeping mechanism
#9Device for counting and displaying a time unit fraction
#10Chronograph
#11Zero-reset device with independent hammers
#12Chronograph mechanism with a column wheel and timepiece movement including the same
#13Single push-piece chronograph
#14Timepiece
#15Chronograph mechanism, timepiece movement and timepiece comprising such a mechanism
#16Zero reset device for two time counters
#17Clockwork movement
#18Time piece chronograph clockwork movement
#19Timepiece Hammer
#20Multifunctional watch
#21Chronograph mechanism