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Manufacturer: Certina

(Kurth Frères S.A., Grenchen, Switzerland)

caliber list

Caliber Size Jewels Shockp. Construction Features Functions Condition (Repair)
230  51/4''' 17J INC   A,HSKM,F     h,m OK (full service)
251  73/4 x 11 15J none   A,HSKM,F     h,m,ss OK (service)
344         
370         
414          OK
12-10  51/4 x 7''' 17J INC   A,HSKM,F     h,m OK
13-20         
13-21  51/2 17J INC   A,HSKM,F     h,m OK
13-22         
15-20          incomplete
19-30          OK

caliber details

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