Marco Mainspring 5006 for Eterna 1158 & 1159 Automatics - Steel

Marco Life-Time Mainspring 5006 for Eterna 1158 & 1159 caliber automatic movements and quite likely many, many others, steel, new in unsealed package. See images for precise mainspring specifications and further details. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.