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Brand: | A. Lange & Söhne | 
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|---|---|---|---|
| Family: |
Unknown
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| Height: | 4.6 mm | ||
| Jewels: | 23 | ||
| Reserve: | hours | ||
| Frequency: | 21,600 A/h | ||
| Winding: | Hand winding | ||
| Diameter: | 30.6 mm | ||
| © A. Lange & Söhne | Complications: | ||
| Hands: | Central Hour Hand, Central Minute Hand, Small Seconds Hand at 6:00 | ||
| Distinguishing Technical Characteristics | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
 Hand-Winding  Clockwise Balance Cock  Screwed Balance  Swan-Neck Regulator |
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| Production: – Current | |||||||||||
| 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
Cal. L051.1 is a hand-winding movement from A. Lange & Söhne.
- A. Lange & Söhne 1815, Ref. 235