AS 1538
From Chronopedia
AS 1538 Movement
- Made 1956 until around 1970.
- Date Alarm Movement
- 11 lignes movement featuring a glucydur compensating balance, flat hair spring.
- 18.000 A/h beat rate, two barrels (one for the alarm, one for the watch),
- indirect centre second and 17 jewels.
- Reportedly a total of 149,000 movements made.
