Machanically regulated timepiece
Manual date advance mechanism for a watch
Measuring instrument
Mechanical system indicating large size calendar date for...
Mechanism for musical watch and speed control
Message carrier
Method for mounting a crystal on a watch case, timepiece...
Method for processing personal data
Method of and apparatus for discriminating between various...
Method of and apparatus for telling time at night
Method of and device for setting and indicating a plurality...
Metric clock
Metronome
Miniature table clock
Motion-work drive for electrically driven timekeepers
Multi-functional digital time displays
Multi-vial medication organizer and dispenser
Multifunctional rotating ring in a timepiece