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Brand: | Landeron Swiss Movements | 
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|---|---|---|---|
| Family: |
Unknown
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| Height: | |||
| Jewels: | 17 | ||
| Reserve: | 36 hours | ||
| Frequency: | 28,800 A/h | ||
| Winding: | Hand winding | ||
| Diameter: | (11.5 ligne) | ||
| Complications: | Date | ||
| Hands: | Central Hour Hand, Central Minute Hand, Central Seconds Hand, Date Window at 3:00 | ||
| Distinguishing Technical Characteristics | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
 Hand-Winding  Clockwise Balance Cock |
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| Production: – | |||||||||||
| 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
Cal. L21 is a compact hand-winding watch movement with date produced by Landeron Swiss Movements. The 11.5 ligne movement operates at 28,800 A/h and offers 36 hours power reserve. A date complication is positioned at 3:00 on the dial.
Cal. L21 is similar to the ETA 2804-2 or Sellita SW215-1, which have similar specifications and very similar appearance.
Cal. L21 was listed on the Landeron Swiss Movements website in 2020 but is no longer listed as of 2022.
Images are taken from official publications and are used here for commentary and educational purposes. Copyright is held by the original owner as noted.