New old stock from my late father's watch shop of over 60 years is this vintage, sealed balance wheel with flat hairspring, regulated.
- Swiss made
- 721 U ETA
- 8 3/4 - 1301
- Caliber 1306, 1307, 1308, 1309, 1310, 1311, 1315, 1316, 1317, 1318, 1320
- Sealed in package
We are 54 years, family owned, now third generation in the retail jewelry business and have been selling on Ebay for over 25 years, if you have an issue with something please contact us right away and before leaving negative or neutral feedback and we will work with you to take care of any issues you may have. If you have any questions or need to see more pictures please contact us and we will be happy to help you. Thank you for taking the time to look.