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If you need help identifying your Seth Thomas pocket watch, enter the serial number of the movement - not the case - into the Search box below and then scroll down to that model.
Serial Numbers: 1 - 10900 uninterrupted
Production Years: 1885 to 1888
Configuration: 3/4-plate open-face
Winding / Setting: Stem / Lever
Comments: Both slow and quick gear train
SNs: 25101 - 100000 / 500001 - 559000
Production Years: 1888 to 1900
Configuration: 3/4-plate hunting
Winding / Setting: Stem / Key / Lever
Comments: Includes Henry Molineux grade
SNs: 10901 - 99400 / 500501 - 517500
Production Years: 1888 to 1898
Configuration: 3/4-plate open-face
Winding / Setting: Stem / Lever
Comments: Includes Molineux & Ball grade
SNs: 35001 - 92000 / 509801 - 718200
Production Years: 1888 to 1902
Configuration: 3/4-plate hunting or open-face
Winding / Setting: Key-wind / key-set
Comments: Widest SN range of the lower models
Serial Numbers: 200001 - 352000
Production Years: 1893 to 1913
Configuration: Full-plate open-face
Winding / Setting: Stem / Pendant / Lever
Comments: Includes Maiden Lane grade
Model 6
Serial Numbers: 515301 - 646000
Production Years: 1896 to 1904
Configuration: 3/4-plate open-face
Winding / Setting: Stem / Lever
Comments: Known as Old Eagle Series
Model 7
Serial Numbers: 508001 - 648000
Production Years: 1896 to 1904
Configuration: 3/4-plate hunting
Winding / Setting: Stem / Lever
Comments: Known as Old Eagle Series
Model 8
SNs: 700001 - 851900 / 2500001 - 2593000
Production Years: 1902 to 1913
Configuration: 3/4-plate open-face
Winding / Setting: Stem / Pendant / Lever
Comments: Known as New Eagle Series
Model 9
Serial Numbers: 700101 - 853500
Production Years: 1902 to 1913
Configuration: 3/4-plate hunting
Winding / Setting: Stem / Lever
Comments: Known as New Eagle Series
Model 10
Serial Numbers: All examples unmarked
Production Years: Unknown
Configuration: 3/4-plate open-face
Winding / Setting: Stem / Pendant / Lever
Comments: Known as Old Century Series
Model 11
Serial Numbers: All examples unmarked
Production Years: Unknown
Configuration: 3/4-plate hunting
Winding / Setting: Stem / Lever
Comments: Known as Old Century Series
Model 12
Serial Numbers: 1000001 - 1301000
Production Years: 1904 to 1913
Configuration: 3/4-plate open-face
Winding / Setting: Stem / Pendant / Lever
Comments: Known as New Century Series
Model 13
Serial Numbers: 1700001 - 1780000
Production Years: 1904 to 1913
Configuration: 3/4-plate hunting
Winding / Setting: Stem / Lever
Comments: Known as New Century Series
Serial Numbers: 100001 - 166000
Production Years: 1890 to 1910
Configuration: 3/4-plate hunter
Winding / Setting: Stem / Lever
Comments: Only model with male stem.
Serial Numbers:
Model 15: 128001 - 160000
Model 16: 160001 - 420000
Model 17: 420001 - 950000
Model 18: 950001 - 4017000
Model 19: 3000001 - 3005000
Production Years: 1904 to 1913
Configuration: 3/4-plate hunter
Winding / Setting: Stem / Lever
Comments: Eagle Series / Includes 12 x 6 movements
Serial Numbers: 2000001 - 2005000
Production Years: 1908 to 1913
Configuration: 3/4-plate hunting
Winding / Setting: Stem / Pendant
Comments: Includes wristwatch models
SNs: 1304501 - 1360000 / 2593001 - 2600000
Production Years: 1913 to 1915
Configuration: 3/4-plate open-face
Winding / Setting: Stem / Pendant
Comments: Includes Centennial grade
Model 22
Serial Numbers: 3258701 - 3298000
Production Years: 1913 to 1915
Configuration: 3/4-plate open-face
Winding / Setting: Stem / Pendant
Comments: Includes Centennial grade
Model 23
Serial Numbers: 3500001 - 3505000
Production Years: 1913 only
Configuration: Bridge model open-face
Winding / Setting: Stem / Pendant
Comments: Four grades including 17-jewel Adjusted
Serial Numbers: 3050001 - 3103000
Production Years: 1913 to 1915
Configuration: 3/4-plate open-face
Winding / Setting: Stem / Pendant
Comments: Includes Centennial grade
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