|Production: – Current|
The Cal. 1240 family of movements by Frédéric Piguet (later Manufacture Blancpain) are a series of alarm calibres. Measuring 31.70 mm (12 ligne) in diameter, they feature a single power barrel and have been updated with a silicon balance spring.
|Silicon Balance Spring||Features|
|1240H||31.70||6.20||45||36||392||4||Yes||Alarm, Double Timezone, Alarm Power Reserve, Date|
|1241H||31.70||6.20||45||38||407||4||Alarm, Double Timezone, Alarm Power Reserve, Date, Small Seconds|
|1241G||31.70||6.20||45||38||405||4||Alarm, Double Timezone, Alarm Power Reserve, Date, Small Seconds|