Original Swiss 1963 10-page Technical Guide issued by Omega to watchmakers for the important back-wind ladies Omega 640 watch caliber found in some of the most collectible ladies Omega watches from the 1960s. The Omega 650 crown/stem is from the side of the case. Incredibly useful and will save you watchmaker fees for many different basic repairs. Also makes a great collection collateral piece. Explains in illustrations how to work on automatic rotor, remove the 640 stem/crown that sets from the back, work on the automatic gear train and gives quick disassembly tips. Lists all part numbers with large illustrations.

Omega watch supplied watchmakers in the early days with these Omega Technical Guide publications on various Omega vintage movements. These guides came in binders from Omega Switzerland, so these are both punched for a binder. The pages are very crisp, with no creasing, no handwriting and no tears. Dimensions are 8 inches by 10 5/8 inches (20.5cm X 27cm).

We are listing many of these Omega old watch technical guides for many calibers. If you need one for a certain caliber Omega movement, message us. We have nearly all of them in our old stock library.

Buy with confidence from a seller with more than 18,000 positive feedbacks on EBAY since 1998 and a member of the NAWCC watch collector's association since 1997.

The Squinky vintage watch shop is also one of the largest sellers of vintage watch movement repair parts on EBAY with 2000+ parts listed here for all of the major old watch brands that collectors like.