Pocket Watch Database
https://pocketwatchdatabase.com/search/result/illinois/149662
Access Date: January 27, 2023
From the American Horology Archive:

Illinois Watch Co.
Grade: Columbia
Manufacturer: | Illinois | ![]() |
Manufacturer Location: | Springfield, Illinois | ![]() |
Movement Serial Number: | 149662 | ![]() |
Grade: | Columbia | ![]() |
Model: | 1 | ![]() |
Estimated Production Date: | September 1880 - October 1880 | ![]() |
Run Quantity: | 900 | ![]() |
Grade/Model Total Production: | 37,200 | ![]() |
Variant Est. Production: | 34,800 (18S-M1-11J-HGK) | ![]() |
Size: | 18s | ![]() |
Jewels: | 11j | ![]() |
Jewel Setting: | Burnished Jewels | ![]() |
Movement Configuration: | Adaptable | ![]() |
Movement Finish: | Gilt | ![]() |
Movement Setting: | Key | ![]() |
Plate: | Full Plate | ![]() |
Barrel: | Going | ![]() |
Train: | Coarse | ![]() |
Regulator: | Plain | ![]() |
Hairspring: | Flat | ![]() |
Standard Dial Type: | Single-Sunk | ![]() |
Adjusted: | No | ![]() |
Railroad Grade: | No | ![]() |
Dial Feet Locations: | 16.5, 36.5, 53.0 | ![]() |
Case Screw Locations: | O-36.5, H-51.5 | ![]() |
Movement Markings: | Columbia Springfield, Ill. |
|
Case: | Various | ![]() |
Registry Population: | 5 (0.56%) | ![]() |
Database Version: | v49.708 | ![]() |
Production Metrics Tree: Grade Columbia
Target Profile: 18S-M1-11J-HGK-U
Illinois Grade Columbia (All Variations): 65,300 ETP | |||
18S: 65,300 100.00% 18s, Grade Columbia |
|||
18S-M1: 37,200 56.97% 18s, Grade Columbia, Model 1 |
Other: 28,100
Other Models or Unclassified |
||
18S-M1-11J: 37,200 56.97% 18s, Grade Columbia, Model 1, 11 Jewels |
|||
18S-M1-11J-HGK: 34,800 53.29% 18s, Grade Columbia, Model 1, 11 Jewels, Adaptable/Key/Gilt |
Other: 2,400
Other Configs or Unclassified |
||
18S-M1-11J-HGK-U: 34,800 53.29% |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
1 | 149118 | #118 | Collection | December 26, 2018 | |
2 | 149244 | #244 | Inferred | ||
3 | 149260 | #260 | Marketplace | June 16, 2022 | |
4 |
![]() Image Credit: pivotkiller |
149662 | #662 | Collection | January 13, 2015 |
5 | 149742 | #742 | Marketplace | October 02, 2022 | |
Standard Deviation of Known Examples: 277.91 (Expected: 259.95, Δ17.96/2.00%) |
Help Us Help Others By Improving the Database:
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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.
ngupaan 95 · June 14, 2019
Serial Number 149288 was reported as accurate.

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