Patek Philippe Serial Number Check. Pennsylvania watch case co inc. Every watch has its own serial and model reference numbers which identify specific information about the timepiece.
Pennsylvania watch case co inc. Patek philippe is another tough brand because many people assume the number on the case back is the watch model number but that is actually the watch serial number. The watch s reference number and serial number are engraved on the inside of the caseback.
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You should never purchase a patek philippe watch if the serial number has been removed or altered. On timepieces with sapphire crystal casebacks the movement s serial number and the calibre number can be visible but the watch s reference and serial are still contained on the inside of the caseback. This service costs 150 swiss francs or the equivalent amount in your local currency. Patek philippe is another tough brand because many people assume the number on the case back is the watch model number but that is actually the watch serial number.