Patek Philippe is one of the most prestigious watchmakers in the world — and its watches are among the most counterfeited and most stolen. Understanding Patek Philippe serial numbers is essential for anyone buying, selling, or collecting these timepieces.
Where to Find a Patek Philippe Serial Number
Patek Philippe watches have two serial numbers: one on the case and one on the movement. These are different numbers and serve different purposes.
Case Back Serial Number
The case serial number is engraved on the case back of the watch. On models with a solid case back, it is visible on the outer surface. On models with a display case back, it may be engraved on the rim or the outer edge of the case back.
Movement Serial Number
The movement serial is engraved on the movement itself and is visible through a display case back or when the case back is removed by a watchmaker. The movement serial and case serial do not match — they are independent numbers.
Certificate of Origin
Patek Philippe issues a Certificate of Origin (also called an Extract from the Archives) that records the reference number, case serial, movement serial, date of manufacture, and original sale date. This document is the gold standard for Patek Philippe provenance and can be requested directly from Patek Philippe for a fee.
How to Date a Patek Philippe Using the Serial Number
Patek Philippe case serial numbers are issued approximately sequentially, though not strictly in order. Approximate dating is possible using published serial number ranges. For precise dating, request an Extract from the Archives from Patek Philippe directly.
Why Checking the Serial Number Matters
At Patek Philippe price points — from $20,000 to well over $2 million — the stakes of purchasing a stolen watch are enormous. A serial number check against our database confirms the watch has not been reported stolen or lost. Combined with a Certificate of Origin and physical inspection, this provides comprehensive due diligence.
Check a Patek Philippe Serial Number
Verify any Patek Philippe serial number against our global stolen watch database.