IWC, new old stock generic spare parts for caliber 83, part no. 770, Mainspring. Generic replacement part. 1 piece mainspring from package.
Please note that you are buying one piece.

The item you are buying is a part of our substantial stock of vintage watch parts from over 40 years of professional practice in repairing watches and clocks.
Our stock includes brands such as Rolex, IWC, Omega, Zenith, Longines, Movado, Tissot, Bulova, ETA, Valjoux, and others so feel free to inquire about a particular part you might need and we will be happy to check our inventory for you. If we find the part you need we can list it on eBay for you.
If you are interested in buying more than one item, we can combine your shipping at the cost of one item shipment.
Keep an eye on our selling activity as we have many more interesting items to list ranging from vintage watches, watch parts, and tools.