|Production: – Current|
The Cal. 13 family of movements by Frédéric Piguet (later Manufacture Blancpain) are a series of hand-winding calibres. Measuring 30.60 mm (13 ligne) in diameter, they feature traditional pocket watch bridges but some have been updated with a silicon balance spring.
|Name||Diam.||Height||Power Reserve (Hours)||Jewels||Parts||Speed Hz.||Silicon Balance Spring||Features|
|13R1||30.60||4.57||192||28||211||4||Date, Power Reserve, Small Seconds|