Pocket Watch Database
Access Date: December 11, 2023
"4594" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.
From the American Horology Archive:
Illinois Watch Co.
|Manufacturer Location:||Springfield, Illinois|
|Movement Serial Number:||4594|
|Estimated Production Date:||November 1872 - February 1873|
|Grade/Model Run:||3 of 16|
|Grade/Model Total Production:||10,300|
|Balance Type:||Uncut Expansion|
|Standard Dial Type:||Single-Sunk|
|Dial Feet Locations:||16.5, 36.5, 53.0|
|Case Screw Locations:||O-36.5, H-51.5|
|PWDB Absolute Rarity Index: |
Scoped for Grade/Size/Model/Configuration
|PWDB Relative Rarity Index: |
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
|Share of Production: |
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
|Registry Population:||4 (0.40%)|
Production Metrics Tree: Grade Mason
Target Profile: 18S-M1-7J-AGK-U
|Illinois Grade Mason (All Variations): 10,600 ETP|
|18S: 10,600 100.00%
18s, Grade Mason
|18S-M1: 10,300 97.17%
18s, Grade Mason, Model 1
Other Models or Unclassified
|18S-M1-7J: 10,300 97.17%
18s, Grade Mason, Model 1, 7 Jewels
|18S-M1-7J-AGK: 10,300 97.17%
18s, Grade Mason, Model 1, 7 Jewels, Adaptable/Key/Gilt
|18S-M1-7J-AGK-U: 10,300 97.17%|
Population Registry for This Run
|Image||Serial Number||Run Position||Primary Identification Method||Discovery Date|
There are 4 watches in the population registry for this run with 1 image.
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Verification Reports for this Run
The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.
Anonymous · November 5, 2014
Serial Number 04183 was reported as inaccurate.
crispy 322 · June 27, 2014
Serial Number 4594 was reported as inaccurate.