Vintage 12.5mm Omega Mechanical Ladies Wristwatch Movement 650 Swiss for Repair the Balance staff is broken

the Balance staff is broken and  crown-and-stem continuously comes out of the setting works with little resistance

Size: 16 SIze

Model: Bukfor

It has some light wear on it

Brand: Michele

Vintage 12.5mm Omega Mechanical Ladies Wristwatch Movement 650 Swiss for Repair the Balance staff is brokenProduct Description Item: Wristwatch Movement Brand: Omega Movement: Mechanical Country: Swiss Gender: Ladies Caliber: 650 Size: 12. 5mm Product Measurements Diameter: 12. 5mm Diameter of Dial: 10. 5 Product Condition Overall Condition: Fair, overall condition for its age. Functions: Not running, the Balance staff is broken. Dial: The dial is in good condition.