Timepiece including a power cell compartment closed by a...

Timepiece with electronic chime generator

Timepiece with multifunctional member

Timepieces with torsion resonators

Timer

Timer

Timer apparatus

Timer switch and control therefor

Timer utilizing novel clutch

Timer with visual indicator for period of operation

Timing apparatus

Timing device

Timing device

Timing mechanism

Timing mechanism

Train wheel structure of electronic timepiece

Tuning forks and oscillators embodying the same

Twenty four hour watch

Two hand movement for timepiece with stepping motor

Two movement time lock