Manufacturer: Derby

(Derby, Switzerland)

Movement list

Caliber	Size	Jewels	Shockp.	Construction	Features	Functions	Condition (Repair)
33	101/2'''	15J	INC.A	A,HSKM,F	s	h,m,s	OK
34	53/4 x 81/2'''	10J	none	H,SKMF		h,m	loose hairspring (Service)
40
127

Details

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