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| Production Year | Serial Number Range | Model Examples | Notes | |----------------|---------------------|----------------|-------| | 1876 – 1880 | 1 – 50,000 | Early “Dresden” models | Hand-crank only; no sub-models yet. | | 1881 – 1885 | 50,001 – 180,000 | “Original Seidel & Naumann” | Transition to vibrating shuttle. | | 1886 – 1890 | 180,001 – 400,000 | “Sphinx” (first generation) | Oscillating shuttle introduced. | | 1891 – 1895 | 400,001 – 800,000 | “Victoria A,” “Ideal” | Decorated Japanese-style lacquer cases. | | 1896 – 1900 | 800,001 – 1,450,000 | “Victoria B,” “Sphinx B” | Rotary hook system appears. | | 1901 – 1905 | 1,450,001 – 2,300,000 | “New Victoria” | Cast iron arm with decals. | | 1906 – 1910 | 2,300,001 – 3,500,000 | “Dresden D,” “Nähmaschine 1910” | High production years. | | 1911 – 1914 | 3,500,001 – 4,800,000 | “Model K” (Klasse) | Last pre-WWI range. | | 1915 – 1918 | 4,800,001 – 5,200,000 | Wartime models | Reduced civilian production. | | 1919 – 1924 | 5,200,001 – 6,500,000 | “Model S,” “Standard” | Post-war recovery; electric motors optional. | | 1925 – 1930 | 6,500,001 – 7,800,000 | “S&N 25” (Jubilee model) | Art deco styling. | | 1931 – 1935 | 7,800,001 – 8,900,000 | “S&N 32” | Last major serial block. | | 1936 – 1940 | 8,900,001 – 9,400,000 | Late models | Serial numbers become sporadic. |

Unlike Singer’s exhaustive and continuous serial number records, Seidel & Naumann’s documentation suffered significant losses during World War II (Dresden bombing, 1945). Consequently, surviving serial number lists are incomplete, often derived from physical machine inspections, patent dates, and company catalog excerpts.

Author: [Generated for research purposes] Date: April 2026 Subject: Industrial history / Antique sewing machine dating 1. Introduction Seidel & Naumann (S&N) was a prominent German manufacturer of sewing machines, bicycles, and later motorcycles, based in Dresden. Founded in 1868 by Emil Seidel and Moritz Naumann, the company became one of the largest sewing machine producers in Europe, second only to the American Singer Corporation in global output by the early 20th century.