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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/3900001
https://pocketwatchdatabase.com/search/result/illinois/3900001
Access Date: February 21, 2025
From the American Horology Archive:
Illinois Watch Co.
Grade: 108
| Manufacturer: | Illinois |  |
| Manufacturer Location: | Springfield, Illinois | |
| Movement Serial Number: | 3900001 | |
| Grade: | 108 | |
| Model: | 8 | |
| Estimated Production Year: | 1921 | |
| Run Quantity: | 1,100 | |
| Grade/Model Run: | 5 of 5 | |
| Grade/Model Total Production: | 5,200 | |
| Variant Est. Production: | 2,200 (16S-M8-21J-HNL-APTI) | |
| Size: | 16s | |
| Jewels: | 21j | |
| Movement Configuration: | Hunting | |
| Movement Finish: | Nickel | |
| Movement Setting: | Lever | |
| Plate: | Bridge Plate | |
| Bridge Type: | False Center | |
| Double Roller: | Yes | |
| Barrel: | Going | |
| Adjusted: | Yes | |
| Adjusted to Position: | Yes | |
| Adjusted to Temperature: | Yes | |
| Adjusted to Isochronism: | Yes | |
| Railroad Grade: | No | |
| Dial Feet Locations: | 13.5, 39.0, 58.0 | |
| Case Screw Locations: | 18.0, 53.0 | |
| Case: | Various | |
| Run ID: | 11234.108G27.16S3568.168M103.H4673.L6755.21J1135 | |
| Database Version: | v52.612 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 15.65 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 52.74 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.091% | |
Production Metrics Tree: Grade 108
Target Profile: 16S-M8-21J-HNL-APTI
| Illinois Grade 108 (All Variations): 27,100 ETP | |||
| 16S: 27,100 100.00% 16s, Grade 108 |
|||
| 16S-M8: 5,200 19.19% 16s, Grade 108, Model 8 |
Other: 21,900
Other Models or Unclassified |
||
| 16S-M8-21J: 5,200 19.19% 16s, Grade 108, Model 8, 21 Jewels |
|||
| 16S-M8-21J-HNL: 3,200 11.81% 16s, Grade 108, Model 8, 21 Jewels, Hunting/Lever/Nickel |
Other: 2,000
Other Configs or Unclassified |
||
| 16S-M8-21J-HNL-APTI: 2,200 8.12% | Other: 1,000
Other Adjustments or Unclassified |
||
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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 · August 27, 2023
Serial Number 3900046 was reported as accurate.
Anonymous · May 17, 2019
Serial Number 3900038 was reported as accurate.
Anonymous · January 24, 2016
Serial Number 3900052 was reported as accurate.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
