Patek Philippe - Serial Numbers indicating Production Dates.

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YEARS OF PRODUCTION - FACTORY SERIAL NUMBERS

 

Date

Serial Number

Date

Serial Number

 

 

 

1839-1845

1-1,120

1885-1890

72,641-85,364

 

 

 

1845-1850

1,121-3739

1890-1895

85,365-101,231

 

 

 

1850-1855

3,740-7,825

1895-1900

101,232-111,800

 

 

 

1855-1860

7,826-14,499

1900-1905

111,801-124,475

 

 

 

1860-1865

14,500-22,798

1905-1910

124,476-153,938

 

 

 

1865-1870

22,799-36,130

1910-1915

153,939-174,240

 

 

 

1870-1875

36,131-47,611

1915-1920

174,241-193,780

 

 

 

1875-1880

47,612-55,769

1920-1925

193,781-202,195

 

 

 

1880-1885

55,770-72,640

 

 

 

 


Numbers after 200,000 are not in chronological order.

 

Date

Serial Number

Date

Serial Number

Date

Serial Number

 

1921-1937

200000-200731

1923-1928

201164-201499

1921-1925

201500-202195


FACTORY SERIAL NUMBERS - YEARS OF PRODUCTION
(1920 onwards, New Number Series)

 

Serial Number

Date

Serial Number

Date

Serial Number

Date

 

802196-804121

1920-1925

861500-863488

1940-1945

 

 

 

804122-820750

1925-1930

863489-864997

1945-1950

 

 

 

820751-824822

1930-1935

865000-865892

1939-1945

 

 

 

824823-826999

1935-1940

865893-866208

1945-1950

 

 


Watches with Repetition Striking Mechanisms
866504-866520 : 1958 - 1965
(From 866251 in order)

 

Serial Number

Date

Serial Number

Date

Serial Number

Date

 

870000-870596

1937-1940

881855-882334

1945-1950

 

 

 

870597-871384

1940-1945

882335-882552

1950-1955

 

 

 

871385-871499

1945-1950

882553-882620

1955-1960

 

 

 

871500-871646

1948-1955

882621-882723

1960-1965

 

 

 

871647-871726

1955-1960

891623-892126

1950-1955

 

 

 

871727-872850

1960-1966

892127-892567

1955-1960

 

 

 

880000-880957

1937-1940

892568-893310

1960-1969

 

 

 

880958-881854

1940-1945

 

 

 

 


NON FACTORY ESTIMATED PRODUCTION FIGURES (from other sources) NOTE:- Some of these serial numbers may overlap with the factory lists and these estimated figures are included to fill in some of the gaps in the factory lists shown.


 

Date

Serial Number

Date

Serial Number

Date

Serial Number

1920

800000

1940

835000

1960

880000

1925

805000

1945

850000

1965

890000

1930

820000

1950

860000

1970

985000

1935

824000

1955

870000

 

 


 

Date

Serial Number

Date

Serial Number

Date

Serial Number

1960

1100000

1975

1350000

1990

1850000

1965

1130000

1980

1450000

 

 

1970

1250000

1985

1600000

 

 


Please remember that this is just an approximate guide and can not be used as a 100% accurate outlook as per how old your watch might be. Should you require a more conclusive valuation of your time piece then please do not hesitate to Email-us

To determine the approximate age of your watch, open the case and find the serial number, usually found engraved on the movement or the case back itself, then match it up with the list on this page. Cross reference the Movement number with the case number to find the time scale of when your watch was produced.