Set Lever Bridge for Felsa (F) 11½ Ligne base caliber 4550 movements

ONE Genuine Swiss Material Set Lever Spring / Setting Bridge (445) for 11½ Ligne Felsa calibers 4450, 4452, 4458, 4460, 4462, 4466, 4552, 4560, 4562, new in sealed packaging. See images for precise specifications and caliber list. I specialize in hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a suitable job of representing the item.