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Brand: | A. Lange & Söhne | 
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|---|---|---|---|
| Family: |
Unknown
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| Height: | 6.1 mm | ||
| Jewels: | 36 | ||
| Reserve: | hours | ||
| Frequency: | 21,600 A/h | ||
| Winding: | Hand winding | ||
| Diameter: | 31.6 mm | ||
| © A. Lange & Söhne | Complications: | 8-Column Chronograph, Chronograph, Column Wheel Chronograph, Flyback Chronograph, Monopusher Chronograph | |
| Hands: | Central 60 Second Chronograph Hand, 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  8-Column Chronograph |
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| Production: – Current | |||||||||||
| 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
Cal. L1924 is a hand-winding movement from A. Lange & Söhne. It features an unusual complication invented by Lange in 1867: A jumping sweep seconds hand operated by a single button at 2:00.
- A. Lange & Söhne 1915 “Homage to Walter Lange”, Ref. 297