179720 ⎘
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 single hammers, i.e. one hammer acts on each counter
HOROLOGICAL MOVEMENT COMPRISING A CHRONOGRAPH MECHANISM, IN PARTICULAR A JUMPING-SECOND MECHANISM
#2CHRONOGRAPH MECHANISM FOR A HOROLOGICAL MOVEMENT AND TIMEPIECE COMPRISING SUCH A MECHANISM
#3COUNTING TIMEPIECE DEVICE
#4Actuating mechanism for a timepiece movement, in particular chronograph mechanism comprising such an actuating mechanism
#5Horological display system
#6Timepiece mechanism for returning the seconds hand to zero with a snail cam
#7Heart cam for a timepiece or chronograph
#8Zero-reset device with independent hammers
#9Device comprising a clock movement and a chronograph module
#10Device comprising a clock movement and a chronograph module
#11Device comprising a clock movement and a chronograph module
#12Chronograph mechanism, timepiece movement and timepiece comprising such a mechanism
#13Zero-resetting device for a timepiece
#14Timekeeper with a mechanism for measuring settable predetermined periods
#15Zero-resetting device for two time counters
#16Device comprising a clock movement and a chronograph module