179728 ⎘
Apparatus for measuring unknown time intervals by mechanical means using a mechanical oscillator; Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel
LEVER DEVICE FOR A CLOCK MECHANISM
#2Actuating mechanism for a timepiece movement, in particular chronograph mechanism comprising such an actuating mechanism
#3Clockwork selector mechanism
#4SAFETY DEVICE AND STRIKING-WORK MECHANISM
#5Timepiece comprising a device for switching a timekeeping mechanism
#6Clock mechanism for storing and displaying time information
#7Clock mechanism for storing and displaying time information
#8Chronograph mechanism with a column wheel and timepiece movement including the same
#9Column wheel and chronograph mechanism including the same
#10Chronograph mechanism
#11Mechanical watch movement
#12Column-wheel for a chronograph, chronograph and chronograph watch including such a wheel
#13TIMEPIECE
#14Anti-shock device for a timepiece control member
#15Bistable hammer for a chronograph mechanism
#16Chronograph mechanism, timepiece movement and timepiece comprising such a mechanism
#17TOOTHED WHEEL, CORRESPONDING GEAR SYSTEM AND CLOCK MOVEMENT, FOR A TIMEPIECE
#18Clockwork movement
#19Time piece chronograph clockwork movement
#20Vertical clutch device for timepiece
#21Clockwork movement
#22Zero-resetting device for a timepiece
#23Timekeeper with a mechanism for measuring settable predetermined periods
#24Instrument for measuring intervals of time comprising a ringing mechanism