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Brand: | A. Lange & Söhne | 
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| Family: |
Unknown
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| Height: | 9.1 mm | ||
| Jewels: | 43 | ||
| Reserve: | 42 hours | ||
| Frequency: | 21600 A/h | ||
| Winding: | Hand winding | ||
| Diameter: | 32.6 mm | ||
| © A. Lange & Söhne | Complications: | 122-Year Moon Phase, 3-Button Chronograph, 8-Column Chronograph, Chronograph, Column Wheel Chronograph, Date, Date by Pointer, Day, Day by Pointer, Leap Year, Month, Month by Pointer, Moon Phase, Perpetual Calendar, Power Reserve Indicator, Rattrapante Chronograph, Split Seconds Chronograph | |
| Hands: | 30 Minute Chronograph Hand at 12:00, Central Hour Hand, Central Minute Hand, Central Split Second Chronograph Hand, Date Pointer at 9:00, Day Pointer at 9:00, Leap Year Pointer at 3:00, Month Pointer at 3:00, Moon Phase Wheel at 6:00, Power Reserve Pointer at 12:00, Small Seconds Hand at 6:00 | ||
| Distinguishing Technical Characteristics | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
 Hand-Winding  8-Column Chronograph |
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| Production: – Current | |||||||||||
| 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
Cal. L101.1 is a hand-winding perpetual calendar movement with rattrapante chronograph functions.
- A. Lange & Söhne 1815 Rattrapante Perpetual Calendar Handwerkskunst, Ref. 421