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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/3863004/link
https://pocketwatchdatabase.com/search/result/illinois/3863004/link
Access Date: March 31, 2025
From the American Horology Archive:
Illinois Watch Co.
Grade: Sangamo Special
| Manufacturer: | Illinois |  |
| Manufacturer Location: | Springfield, Illinois | |
| Movement Serial Number: | 3863004 | |
| Grade: | Sangamo Special | |
| Variation: | False Bridge | |
| Model: | 10 | |
| Estimated Production Year: | 1921 | |
| Run Quantity: | 2,000 | |
| Grade/Model Run: | 3 of 4 | |
| Grade/Model Total Production: | 6,400 | |
| Size: | 17s | |
| Jewels: | 23j | |
| Jewel Material: | Ruby & Sapphire | |
| Jewel Setting: | Raised Gold Settings (Screw-Set) | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Movement Setting: | Lever | |
| Plate: | Bridge Plate | |
| Bridge Type: | False Center | |
| Double Roller: | Yes | |
| Barrel: | Jeweled Motor | |
| Train Material: | Gold | |
| Center Wheel Material: | Gold | |
| Hairspring: | Breguet | |
| Pallet Jewel Material: | Ruby | |
| Adjusted: | Yes | |
| Adjusted to Position: | Yes | |
| Adjusted # of Positions: | 6 | |
| Adjusted to Temperature: | Yes | |
| Adjusted to Isochronism: | Yes | |
| Railroad Grade: | Yes | |
| Case: | Various | |
| Run ID: | 11188.G40.17S3.1710M3.O5979.L6742.23J234 | |
| Database Version: | v52.631 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 19.39 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 64.94 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.113% | |
| Registry Population: Scoped for This Run Only | 52 (2.60%) | |
| $ Estimated Value (12 Month Change): | -5.27% Analyzing 149 Sales | |
Production Metrics Tree: Grade Sangamo Special
Target Profile: 17S-M10-23J-ONL-A6PTI-FALSE BRIDGE
| Illinois Grade Sangamo Special (All Variations): 30,260 ETP | ||
| 17S: 17,600 58.16% 17s, Grade Sangamo Special |
Other: 12,660
Other Sizes or Unclassified |
|
| 17S-M10: 6,400 21.15% 17s, Grade Sangamo Special, Model 10 |
Other: 11,200
Other Models or Unclassified |
|
| 17S-M10-23J: 6,400 21.15% 17s, Grade Sangamo Special, Model 10, 23 Jewels |
||
| 17S-M10-23J-ONL: 6,400 21.15% 17s, Grade Sangamo Special, Model 10, 23 Jewels, Openface/Lever/Nickel |
||
| 17S-M10-23J-ONL-A6PTI: 6,400 21.15% | ||
| 17S-M10-23J-ONL-A6PTI-FALSE BRIDGE: 6,400 21.15% | ||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 52 watches in the population registry for this run with 9 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.
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uploaded by Garrett
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uploaded by Durant1
