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Manufacturer: UMF

(VEB Uhren und Maschinenfabrik Ruhla, Ruhla, Germany (former GDR))

caliber table

Caliber Size Jewels Shockp. Construction Features Functions Condition (Repair)
Diva  (M 3) 83/4''' 15J none   A,HSKM,F     h,m OK
Diva ST  (M 3) 83/4 15J ANT.102   A,HSKM,F     h,m OK
13-33         
23-32  101/2 0J none   A,HSKMF,Z   SCI  h,m,s broken
23-42         
24-26  103/4''' 0J none   A,HSKMF     h,m needs service
24-30  103/4''' 0J none   A,HSKMF     h,m OK
24-32  103/4''' 0J none   A,HSKMF   SCI  h,m,s needs service
24-33  103/4''' 0J none   A,HSKMF   SCI,QG  h,m,s,d Winding mech. def.
24-42  101/2''' 2J none   A,HSKMF(Z)   SCI  h,m,s OK (full service)
28-40  141/2''' 0J    HSKM   SCI,QG  h,m,s,d,q Elektronics broken
29-80  (M 2) 101/2 15J none   A,HSK,MF   h,m,ss balance broken
33-50  83/4''' 7J none   A,HSKM,F     h,m OK
38-41  (M 69) 83/4 x 12''' 4J none   A,HSKMF   h,m,s disadjusted
39-10  (M 33) 83/4''' 15J ANT.102   A,HSKM,F     h,m OK
39-22  (32-12) 83/4''' 17J ANT.102   A,HSKM,F   SCI  h,m,s OK
39-40  (M 33)        
39-50  83/4''' 7J none   A,HSKM,F     h,m OK
39-80  (M 3D)        
53-52  (M 9) 101/2 5J none   A,HSKMF,Z   SCI  h,m,s balance broken
54-31         
54-32  (M 44) 12 0J none   A,HSKGF,Z   SCI  h,m,s OK (cleaned, oiled)
83-31  (M1)         OK

caliber details

By clicking on the photos, you can access the detail pages of the movements.