Gustav Becker Altersbestimmung Uhren und Regulatoren - Sammler-Uhren

Gustav Becker Age Determination Clocks and Regulators

May 31, 2025

Table Gustav Becker factory and serial numbers

*Year*	*Serial number*	*Notes*
1850	480
1860	4,000
1863	10,000
1865	15,000
1867	25,000
1872	50,000
1875	100,000	*From here MEDAILLE d'OR (gold medal)*
1880	260,000
1885	500,000
1890	800,000
1892	1,000,000
1900	1,500,000	*From 1899 onwards United Freiburg Watch Factories*
1913	1,850,000	*Watch production was limited during the First World War (1914 – 1918).*
1923	1,860,000
1925	1,945,399	*The number was found on a 2-weight wall clock with an attached invoice, dated 1925.*
1926	2,244,868	*The number was found on an invoice for a building clock dated 1926. The Vereinigte Freiburger Uhrenfabriken merged with Junghans in 1926.*
1927 till 1935		Watch production within the Junghans organization. Serial number index not available; the movement number index was presumably lost during World War II.
	*Production in Braunau/Bohemia*	*Serial number index not available.*

Source:

EUROPEAN INDUSTRIALIZED CLOCKMAKING
THE GUSTAV BECKER STORY by Karl Kochmann © 1974
1983 Edition, Greensboro, NC 27420 USA