Pocket Watch Database
https://pocketwatchdatabase.com/search/result/illinois/221041
Access Date: January 27, 2023
From the American Horology Archive:

Illinois Watch Co.
Grade: 101
Manufacturer: | Illinois | ![]() |
Manufacturer Location: | Springfield, Illinois | ![]() |
Movement Serial Number: | 221041 | ![]() |
Grade: | 101 | ![]() |
Model: | 2 | ![]() |
Class: | 5 | ![]() |
Estimated Production Date: | August 1880 | ![]() |
Run Quantity: | 500 | ![]() |
Grade/Model Total Production: | 38,400 | ![]() |
Variant Est. Production: | 38,100 (18S-M2-11J) | ![]() |
Size: | 18s | ![]() |
Jewels: | 11j | ![]() |
Jewel Setting: | Burnished Jewels | ![]() |
Movement Configuration: | Hunting | ![]() |
Movement Finish: | Nickel | ![]() |
Movement Setting: | Lever | ![]() |
Plate: | Full Plate | ![]() |
Barrel: | Going | ![]() |
Balance Type: | Expansion | ![]() |
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: | 23.5, 51.5 | ![]() |
Case: | Various | ![]() |
Registry Population: | 4 (0.80%) | ![]() |
Database Version: | v49.701 | ![]() |
Production Metrics Tree: Grade 101
Target Profile: 18S-M2-11J-HNL-U
Illinois Grade 101 (All Variations): 87,950 ETP | |||
18S: 87,950 100.00% 18s, Grade 101 |
|||
18S-M2: 38,400 43.66% 18s, Grade 101, Model 2 |
Other: 49,550
Other Models or Unclassified |
||
18S-M2-11J: 38,100 43.32% 18s, Grade 101, Model 2, 11 Jewels |
Other: 300
Other Jewels or Unclassified |
||
18S-M2-11J-HNL: 38,100 43.32% 18s, Grade 101, Model 2, 11 Jewels, Hunting/Lever/Nickel |
|||
18S-M2-11J-HNL-U: 38,100 43.32% |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
1 | 220954 | #254 | Inferred | ||
2 | 221000 | #300 | Marketplace | July 13, 2015 | |
3 |
![]() Image Credit: WHinder |
221041 | #341 | Collection | July 12, 2015 |
4 | 221114 | #414 | Marketplace | December 29, 2018 | |
Standard Deviation of Known Examples: 67.88 (Expected: 144.48, Δ76.60/15.32%) |
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.
Anonymous · July 27, 2015
Serial Number 221000 was reported as accurate.
chevykingpower 215 · May 1, 2014
Serial Number 221000 was reported as accurate.

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