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Brand: | Landeron Swiss Movements | 
|
|---|---|---|---|
| Family: |
Unknown
|
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| Height: | |||
| Jewels: | 27 | ||
| Reserve: | 48 hours | ||
| Frequency: | 28,800 A/h | ||
| Winding: | Automatic, Central Rotor Automatic Winding | ||
| Diameter: | (13.25 ligne) | ||
| 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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
 Central-Rotor Automatic  Clockwise Balance Cock |
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| Production: – | |||||||||||
| 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
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.