|Brand:||Landeron Swiss Movements|
|Winding:||Automatic, Central Rotor Automatic Winding|
|Complications:||2-Button, Cam Switching Chronograph, Chronograph, Date, Day|
|Hands:||Central 60 Second Chronograph Hand, Central Hour Hand, Central Minute Hand, Date Window at 3:00|
|Distinguishing Technical Characteristics|
Clockwise Balance Cock
Cal. L77 is an automatic chronograph movement produced by Landeron Swiss Movements. The design appears to be based on the ETA 7750 Family. The similar Cal. L73 has a date window at 4:00.Images are taken from official publications and are used here for commentary and educational purposes. Copyright is held by the original owner as noted.