Polychronis Nakis KARAPATIS

EXTERNAL PART ELEMENT FOR TIMEPIECE OR PIECE OF JEWELLERY AND METHOD FOR MANUFACTURING SUCH AN EXTERNAL PART ELEMENT

DEVICE FOR DISPLAYING A SUCCESSION OF INDICATIONS OF A TIME VARIABLE FOR A TIMEPIECE

Method for frequency tuning a set of plates of a watch, and watch comprising the set of tuned plates

Micromechanical mechanism provided with a percussion actuation system, in particular for horology

Impact striking mechanism, in particular for timepieces

Method of harmonic tuning of at least one gong of a watch striking mechanism

Vertical clutch device for a timepiece

Adjustment member for watches

Timepiece comprising a tourbillon

Musical comb for a timepiece striking mechanism

Grey gold alloy

Magnetic anti-shock system for a timepiece arbor

Mechanical timepiece movement with a lever escapement

Striking mechanism for a watch or music box with a vibration plate having optimised actuation energy

Balance spring made of micromachinable material with isochronism correction

Grey gold alloy

Balance spring stud for a timepiece

Timepiece with improved sound level

Acoustic radiating membrane arrangement for a striking watch

Vibration plate for a music box

Musical watch case with improved acoustic performance

Timepiece barrel with improved transmission of force

Acoustic radiating membrane for a musical watch

Acoustic radiating membrane for a musical watch

Optimised striking mechanism disc-vibration plate for a timepiece

Watch cannon-pinion

Method for checking the identity of a mechanical watch movement

Method for adjusting the vibration frequency range of a sound producing device with vibrating tongues

Striking mechanism provided with a means of selecting the mode of vibration of a gong