1144512. Manual-winding nickel-finished lever movement stamped twice with the Geneva Seal, 18 jewels, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, Breguet balance-spring.
1144512. Manual-winding nickel-finished lever movement stamped twice with the Geneva Seal, 18 jewels, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, Breguet balance-spring.