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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/1677553/movement
https://pocketwatchdatabase.com/search/result/illinois/1677553/movement
Access Date: January 04, 2025
From the American Horology Archive:
Illinois Watch Co.
Grade: 186
Ruby Jewels
| Manufacturer: | Illinois |  |
| Manufacturer Location: | Springfield, Illinois | |
| Movement Serial Number: | 1677553 | |
| Grade: | 186 | |
| Model: | 4 | |
| Estimated Production Year: | 1903 | |
| Run Quantity: | 500 | |
| Grade/Model Run: | 14 of 21 | |
| Grade/Model Total Production: | 2,930 | |
| Size: | 16s | |
| Jewels: | 17j | |
| Jewel Material: | Ruby | |
| Jewel Setting: | Screw-Set | |
| Movement Configuration: | Hunting | |
| Movement Finish: | Nickel | |
| Movement Inlay Color: | Gilt | |
| Movement Setting: | Lever | |
| Plate: | 3/4 Bridge Plate | |
| Bridge Type: | 3-Finger | |
| Barrel: | Going | |
| Center Wheel Material: | Gold | |
| Regulator: | Micrometric | |
| Hairspring: | Breguet | |
| Standard Dial Type: | Double-Sunk | |
| Adjusted: | Yes | |
| Adjusted # of Positions: | 4 | |
| Adjusted to Temperature: | Yes | |
| Railroad Grade: | Yes | |
| Dial Feet Locations: | 24.5, 36.5, 55.5 | |
| Case Screw Locations: | 18.5, 52.5 | |
| Case: | Various | |
| Run ID: | 4919.186G26.16S1041.164M497.H2576.L4055.17J1017 | |
| Database Version: | v52.539 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 8.82 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 29.67 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.052% | |
| Registry Population: Scoped for This Run Only | 13 (2.60%) | |
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 13 watches in the population registry for this run with 2 images.
|
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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.
Bigbobhoss Supporter 45 · September 18, 2021
Serial Number 1677844 was reported as accurate.
georged Supporter 162 · December 15, 2020
Serial Number 1677578 was reported as accurate.
Changes since this report was submitted:
Plate changed from Bridge to 3/4 Bridge
Anonymous · September 12, 2017
Serial Number 1677553 was reported as accurate.
Changes since this report was submitted:
Plate changed from Bridge to 3/4 Bridge
Anonymous · March 22, 2017
Serial Number 1677552 was reported as accurate.
Changes since this report was submitted:
Plate changed from Bridge to 3/4 Bridge
oilseed Supporter 472 · February 27, 2017
Serial Number 1677671 was reported as inaccurate.
Note: According to 'Roy & Bills' Book (Amr Pocket
Watches, Vol 2), The model 4 (17J & 23J) was NOT
RR grade . Only the model 5 (17 & 23J) was RR
grade. you can tell the difference between model
4 and model 5 by the 'setting lever' position.
Model 4, lever position was 23min. Model 5 lever
position was 7.5min
the Model 4 was HUNTING and the Model 5 was OPEN
FACE.
The 'ea' drawing you show is also not correct.
it should show the 3 finger bridge type 'only'.
ea462 (model 4) and ea464 (model 5).
the ea drawing you are showing is ea463 which is
for the earlier Grades 171 through 177.
Watches, Vol 2), The model 4 (17J & 23J) was NOT
RR grade . Only the model 5 (17 & 23J) was RR
grade. you can tell the difference between model
4 and model 5 by the 'setting lever' position.
Model 4, lever position was 23min. Model 5 lever
position was 7.5min
the Model 4 was HUNTING and the Model 5 was OPEN
FACE.
The 'ea' drawing you show is also not correct.
it should show the 3 finger bridge type 'only'.
ea462 (model 4) and ea464 (model 5).
the ea drawing you are showing is ea463 which is
for the earlier Grades 171 through 177.
Curator Response: Thanks for the report. Since this range was manufacturered c.1903, it would still meet the requirements for service on most of the American railroads at the time, and thus, would be considered railroad grade until roughly 1906-1908. The factory diagram has been updated to display the bridge model.
Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge
Anonymous · January 24, 2016
Serial Number 1677900 was reported as accurate.
Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge
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