An approximate table of Patek Philippe movement serial numbers and their corresponding years of manufacture.
The serial number is located on the movement of every Patek Philippe & Co watch.
| YEAR OF ISSUE | SERIAL NUMBER |
|---|---|
| 1840 | 100 |
| 1845 | 1120 |
| 1850 | 3740 |
| 1855 | 7825 |
| 1860 | 14,500 |
| 1865 | 22,800 |
| 1870 | 36,130 |
| 1875 | 47,610 |
| 1880 | 55,770 |
| 1885 | 72,640 |
| 1890 | 85,365 |
| 1895 | 101,230 |
| 1900 | 111,800 |
| 1905 | 124,475 |
| 1910 | 153,940 |
| 1915 | 174,240 |
| 1920 | 193,780 |
| 1925 | 202,195 |

