Pocket Watch Database
https://pocketwatchdatabase.com/search/result/illinois/302104/movement
Access Date: April 22, 2025
From the American Horology Archive:

Illinois Watch Co.
Grade: Miller
Production Inconsistent with Factory Records. See Research Notes.
Manufacturer: | Illinois | ![]() |
Manufacturer Location: | Springfield, Illinois | ![]() |
Movement Serial Number: | 302104 | ![]() |
Grade: | Miller | ![]() |
Model: | 1 | ![]() |
Class: | 3 | ![]() |
Estimated Production Date: | April 1883 | ![]() |
Run Quantity: | 100 | ![]() |
Grade/Model Run: | 16 of 18 | ![]() |
Grade/Model Total Production: | 12,200 | ![]() |
Size: | 18s | ![]() |
Jewels: | 15j | ![]() |
Jewel Setting: | Scribed | ![]() |
Movement Configuration: | Adaptable | ![]() |
Movement Finish: | Gilt | ![]() |
Movement Setting: | Key | ![]() |
Plate: | Full Plate | ![]() |
Barrel: | Going | ![]() |
Balance Type: | Expansion | ![]() |
Train: | Coarse | ![]() |
Regulator: | Plain | ![]() |
Hairspring: | Flat | ![]() |
Standard Dial Type: | Single-Sunk | ![]() |
Adjusted: | Yes | ![]() |
Adjusted to Temperature: | Yes | ![]() |
Railroad Grade: | Yes | ![]() |
Railroad Grade Classification: | Class C | ![]() |
Dial Feet Locations: | 16.5, 36.5, 53.0 | ![]() |
Case Screw Locations: | O-36.5, H-51.5 | ![]() |
Movement Markings: | Miller Springfield, Ill. Patent Pinion [Some Marked "Adjusted"] |
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Case: | Various | ![]() |
Run ID: | 787.G43.18S762.181M273.A273.K280.15J92 | ![]() |
Database Version: | v52.640 | ![]() |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 36.97 | ![]() |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 123.88 | ![]() |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.215% | ![]() |
Registry Population: Scoped for This Run Only | 1 (1.00%) | ![]() |
Research Note: Factory records designate this run as "Miller" grade. However, #302104 has been verified as marked "Bunn," consistent with the Key-wind, Key-set Model 1 Bunn classification [eBay #124184866161].
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Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There is 1 watch 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.
MoatsJustin1 top-contributor 5416 · May 12, 2020
Serial Number 302104 was reported as inaccurate.

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This WatchFrom This Run
Image Source/Credit: eBay Auction
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