Stop watch and clocking system
Structure and method of making a low-cost shock-resistant watch
Substrate board/carrier frame assembly
Sustained power electric clock
Switch for electronic watch
Switch lever operating device with automatic timer
Switch mechanism for electric spring wound clock
Switching device
Switching mechanism for electronic watch electro-optic display
Synchronizable clock
Synchronization of a timepiece to a reference time
Synchronization of real-time clocks in a packet switching...
Synchronized clock
Synchronized contact watch
Synchronized horological system
Synchronizing arrangement for a timekeeping instrument
Synchronous clock mechanism
Synchronous machine
Synchronous motor starter
Synchronous motor starting and coupling means