Enter the serial number from the pocket watch movement below. Do not use the case number. Tips for looking up your watch

How to Find Info About Your Pocket Watch

The Pocket Watch Database has compiled data covering the major American pocket watch manufacturers and created an easy way to find information using the serial number on the watch movement. Here are a few tips to find information about your pocket watch:

  1. Always input the serial number from the pocket watch movement (the "mechanism" of the watch).
  2. Never use the serial number from the case or any other part.
  3. Always select the correct manufacturer, which is usually stamped on the watch movement or dial.
  4. If the manufacturer is not listed on the site, you may have a "private label" watch or it may not be American-made.
  5. If the serial number includes a letter, enter it along with the number when using the lookup feature.
  6. Many pocket watch case backs screw off. Others may require a dull wide blade to pry or pop the cover. Be careful not to scratch or damage the movement.
  7. Consider uploading images of your watch by creating a collection account on the website. This is compeltely free and assists in promoting research in American horology.
  8. Understand that many companies did not keep accurate or complete records. As a result, information displayed on this site may have inaccuracies. This is to be expected, and we have included an option to report inaccurate information on the result pages so the database can be continually improved.
Pocket Watch Serial Number Lookup - Hamilton, South Bend, Illinois, Rockford, Waltham & Elgin Pocket Watches
  Serial Number:
Need to replace a watch crystal? Use our new crystal size guide to find the proper fit.

Pocket Watch Parts: Suppliers & Info

A variety of parts are still readily available for American pocket watches, including parts for Elgin, Waltham, Hamilton, and others. Pocket watch crystals, mainsprings, and balance staffs are the most frequent parts required for general watch repair.

Part Identification

We offer part listings for most Elgin and Illinois watches on the result page following serial lookups. Just access the "Parts" tab after searching a serial number. Several original catalogs are also avilable online for part identification.

Common Part Identification and Sizes:
Crystal Size Chart
Mainspring Size Chart
Dial Feet Locations

Online Pocket Watch Part Suppliers

We recommend the following suppliers for parts and advise contacting the supplier directly to secure the proper replacement part. With a wide variety and variation of parts, assuring you receive the correct part for your project is critical.

  • Otto Frei
    Specialty: General supplier of new parts (Mainsprings, Balance Staffs, etc) and tools.
    Location: Oakland, California
    Website: OFrei.com
    Phone: 510-832-0355 ext.2

  • Cas-Ker Co.
    Specialty: General supplier of new parts (Mainsprings, Balance Staffs, etc) and tools
    Location: Cincinnati, Ohio
    Website: JewelersSupplies.com
    Phone: 513-674-7700

  • Esslinger
    Specialty: General supplier of new tools and bench supplies. Some parts are avialable.
    Location: Saint Paul, Minnesota
    Website: Esslinger.com
    Part Inquiry: Inquiry Form

  • Dave's Watch Parts and Tools
    Specialty: Supplier of used parts, movements, and tools. Offers new crystals and an easy crystal replacement service.
    Website: DavesWatchParts.com

  • eBay
    Specialty: Wide variety of parts and donor movements if you possess the expertise to find the proper part.
    Website: eBay.com

Origination Classification and Sources

  • New
    Some parts, such as balance staffs and mainsprings, might be available from modern suppliers as new.
  • New Old Stock (NOS)
    A variety of parts are available as "new old stock" from watchmaker estates and defunct watch repiar companies. These parts are typically still in factory packaging but have been sitting in storage for decades. Usually, NOS parts are the next-best option if newly manufacturered parts are not available.
  • Donor Watches
    When parts are unavailable as new or new-old-stock, a donor watch may be required to procure the necessary part. A variety of second-hand suppliers exist to serve as "watch junkyards" and can be an effective and affordable alternative.
  • Custom Fabrication
    When repairing a rare or uncommon watch, the necessary part may be required to be fabricated by a competent watchmaker or machinist. This is usually the most expensive option when obtaining parts, but in special scenarios, it is the only feasible option.