HR Ev-R-Last Mainspring E498 for A.S. 976, 1012, 1127 - Steel

HR Ev-R-Last Mainspring E498 for AS caliber 976, 1012, 1227, Bulova 5AB, Benrus AE and likely many similar ébauche watches, steel, new in frail envelope. See image for precise specifications. 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.