New battery.

Watch runs very fast. Has not been serviced and needs / should be. Has stopped two times in 3 days of observing it. Blow on the balance and away it goes again.

ESA 9154 Cal. Dynotron Electronic Balance Movement.

1970-75. Gold plated case. Gold filled expandable band.

39mm case

18mm lug

40mm lug to lug.

SOLD AS IS. NEEDS SERVICE