Set Lever Bridge for Font (FHF) base caliber 57, 6¾ Ligne movements

ONE Genuine Swiss Material Set Lever Spring / Setting Bridge (445) for 6¾ Ligne FHF (FONT) caliber 57 & 57-21, new in sealed packaging. See images for further details. I likely have several of these so the one you get may differ slightly from the images. 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.