Vintage & Antique Watch Repair Longines Watch Serial Number List. With that in mind, and after analyzing the rest of the available collections available from Longines, we can assume: Please have in mind that the time table for the Longines serial numbers is not 100% accurate but very close to +/- 1 years. Is your chance to get a fair estimate of when your … Search for Vintage Watch Parts & Obsolete Watch Parts, This site is sponsored and Seiko is a Japanese watch company part of the Seiko Epson Group. 1969 Begining about 1970, it appears that Longines changed their serial numbering system. Please send us a clear photo and price of your watch to sell to: Text photos of your watch to: 519.808.7355 In 1969, Longines announced its first quartz movement, the Ultra-Quartz, with an analog display. I believe it is from the 1970's but not sure.Any help out there would be appreciated. As you can see, these watches are identical except for the strap and bracelet. I guess there's a reason I don't usually post comments and advise on watches newer than about the 1960s (I collect/repair/trade older watches)! Longines History and production dates here. This model’s reissue now enriches the Longines Heritage collection.
