GRIPPER DEVICE FOR MAINTAINING, CENTRING, AND/OR CLAMPING A MICROMECHANICAL OR HOROLOGICAL COMPONENT, AND ASSOCIATED FASTENING METHOD

GRIPPING DEVICE FOR HOLDING, CENTRING AND/OR COLLET-CLAMPING A MICROMECHANICAL OR HOROLOGICAL COMPONENT, AND ASSOCIATED ATTACHMENT METHOD

GRIPPER FOR TIMEPIECE COMPONENT

DIAPHRAGM TYPE DEPLOYMENT DEVICE, PARTICULARLY FOR WATCHMAKING

Horological setting and/or adjustment mechanism

Lathe comprising a guide bush

Method for treatment of timepiece components on a rack, and a rack

Ergonomic watchmaker's workstation

PART HOLDING DEVICE