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Brand: | Blancpain | 
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|---|---|---|---|
| Family: | |||
| Height: | 2.80 mm | ||
| Jewels: | 21 | ||
| Reserve: | 95 hours | ||
| Frequency: | 21,600 A/h | ||
| Winding: | Hand winding | ||
| Diameter: | 27.40 mm (12 ligne) | ||
| © Blancpain | Complications: | Power Reserve Indicator | |
| Hands: | Central Hour Hand, Central Minute Hand, Central Seconds Hand | ||
| Distinguishing Technical Characteristics | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
 Ultra-Thin Hand-Winding  Hand-Winding  Clockwise Balance Cock |
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| Production: – Current | |||||||||||
| 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
Cal. 11A4B is an ultra-thin hand-winding movement with power reserve indicator produced by Manufacture Blancpain (formerly known as Frédéric Piguet). The power reserve indicator is located on the rear of the movement. It is closely related to the F. Piguet Cal. FP 1150.
Images are taken from official publications and are used here for commentary and educational purposes. Copyright is held by the original owner as noted.