Watch Repair Information

Technical Manuals and Data Sheets

Useful Websites for Technical Manuals

Chronograph Repair- Need a tech manual for a vintage chronograph? The entire Esembl-o-graf series of books is a great resource. Available as a CD on eBay for about $20.

Elgin parts list and cross reference. This will allow you to type in the grade of your Elgin pocket watch, and show you all the part numbers for the various parts. You can also type in a part number and get a list of all grades using that part number.

Technical Guides and Manuals : A. Schild, Citizen, ETA, ISA, LeCoultre, Omega, Rolex, Seiko, many others.

More technical manuals and guides : Included are Bulova, Universal, Rolex, Longines, Omega, Valjoux, among others.

Seiko, Citizen, Orient Technical Guides and Manuals other misc manuals

ETA Swiss Lab: near the bottom of the page on the right are links for the ETA 2892A2, 7750, 6497 and 251.471

ETA Technical info- technical documents from ETA. Here and here.

Miyota technical documents- free pdf downloads.

Omega information Different ways to search for information about vintage Omegas.

Ranfft’s Watches- great for identifying movements, Search by caliber or you can also search by 3 letter code on balance bridge. Color pictures, dimensions, power reserve

NAWCC Chapter 149 has some excellent free technical manuals and books (free books in pdf format) on their pages. Click here to see their titles.

TM 9-1575- WWII military watch repair manual.

Watch Manufacturer's Contact List

Individual Technical Manuals

Accutron 214 Service Manual