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Brand: | Agenhor, Arnold & Son | 
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| Family: |
Unknown
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| Reserve: | hours | ||
| Frequency: | A/h | ||
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| © Agenhor | Complications: | 24 Hour Hand, Equation of Time, GMT Hand, Independently-Adjustable 24 Hour Hand, Leap Year, Moon Phase, Perpetual Calendar | |
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| 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
Cal. AGH-1764 is a perpetual calendar movement with unique complications created by Agenhor for Arnold & Son. It was used int the True North Perpetual watch.
Functions of Cal. AGH-1764 include:
- Civil Time
- Solar Time
- Perpetual calendar with leap year
- Moon Phase disc
- 24 hour second time zone
- Equation of Time between civil time and average solar time for both dragging equation and sector equation