HR Nivastar Mainspring G376 for Roamer 417 TIME - Alloy

HR Nivastar Mainspring G376 for Roamer caliber 417 alarm movement, TIME side mainspring, white alloy, new in envelope. Alarm side takes a different mainspring. See images for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. I specialize is hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.