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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/31601
https://pocketwatchdatabase.com/search/result/illinois/31601
Access Date: November 21, 2024
From the American Horology Archive:
Illinois Watch Co.
Grade: Mason
| Manufacturer: | Illinois |  |
| Manufacturer Location: | Springfield, Illinois | |
| Movement Serial Number: | 31601 | |
| Grade: | Mason | |
| Model: | 1 | |
| Estimated Production Date: | March 1875 | |
| Run Quantity: | 1,000 | |
| Grade/Model Run: | 10 of 16 | |
| Grade/Model Total Production: | 10,300 | |
| Size: | 18s | |
| Jewels: | 7j | |
| Movement Configuration: | Adaptable | |
| Movement Finish: | Gilt | |
| Movement Setting: | Key | |
| Plate: | Full Plate | |
| Barrel: | Going | |
| Balance Type: | Uncut 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: | O-36.5, H-51.5 | |
| Movement Markings: | Mason Springfield, Ill. Patent Pinion |
|
| Case: | Various | |
| Run ID: | 38.G10.18S38.181M38.A38.K38.7J10 | |
| Database Version: | v52.450 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 31.01 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 104.57 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.181% | |
| Registry Population: Scoped for This Run Only | 2 (0.20%) | |
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: 300
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 2 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 · April 16, 2019
Serial Number 31291 was reported as accurate.
produceclerk1973 1 · June 4, 2014
Serial Number 031817 was reported as accurate.
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