METHOD FOR MANUFACTURING HOROLOGICAL BALANCE SPRINGS

Optical Measuring Method For Archimedian Flat Spirals And Spiral Springs With Optimized Geometry

METHOD FOR MANUFACTURING A SPRUNG BALANCE OSCILLATOR FOR HIGH TORQUE VARIATION BALANCE SPRINGS

METHOD FOR TESTING AND PRODUCING BALANCE SPRINGS FOR TIMEPIECES

METHOD FOR TESTING AND MANUFACTURING SPIRAL SPRINGS FOR A TIMEPIECE

Method and production support tooling for measuring the torque of a timepiece balance spring

Balance-hairspring oscillator for a timepiece

Method for fabrication of a balance spring of predetermined thickness through the addition of material

Method for fabrication of a balance spring of a predetermined stiffness by local removal of material

Method for fabrication of a balance spring of a predetermined stiffness by removal of material

Mechanical timepiece movement provided with a feedback system for the movement

System for securing a balance spring

Method for determining an imbalance characteristic of an oscillator

Method of adjusting the oscillation frequency of a timepiece sub-assembly

Circuit for autoregulating the oscillation frequency of an oscillating mechanical system and device including the same

Device for measuring the torque of a hairspring

Fixation of a spiral spring in a watch movement