Annual calendar mechanism for watch movement

Calendar correcting mechanism

Calendar mechanism for a clock work

Calendar mechanism of a portable timepiece

Calendar watch

Correcting device for calendar in an analog type electronic watc

Correction device for timepiece display mechanism and wheel...

Date display assembly for an analog timepiece

Device for controlling and correcting the display of the day and

Device for controlling or correcting the readout of the day of t

Display correction device and timepiece equipped with...

Display device and watch with same

Electromechanical calendar timepiece

Electronic timepiece

Electronic timepiece having a voltage conversion circuit

Electronic timepiece with calendar function

Indexing gear for timekeeping devices

Leap year compensation circuit

Manual date advance mechanism for a watch

Month correcting mechanism for calendar timepieces