Patek Philippe Parts
Cas-Ker has a wide selection of parts to repair Patek Philippe watches. We offer the best service in the watch material business. We carry all available brands of watch material including crystals. Our selection of Seiko and Pulsar parts and crystals is unsurpassed. For fast and efficient service, send your next parts order to Cas-Ker, where material is our main business.
You'll find the reference number or model number of a Patek Philippe watch on the inside of the case back. (The number on the outside case back is the serial number.) We recommend having the case opened professionally using specifically designed tools so as to not scratch the watch in the process.