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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/2977224
https://pocketwatchdatabase.com/search/result/illinois/2977224
Access Date: November 14, 2024
From the American Horology Archive:
Illinois Watch Co.
Grade: Sangamo Special
| Manufacturer: | Illinois |  |
| Manufacturer Location: | Springfield, Illinois | |
| Movement Serial Number: | 2977224 | |
| Grade: | Sangamo Special | |
| Variation: | False Bridge | |
| Model: | 8 | |
| Estimated Production Year: | 1916 | |
| Run Quantity: | 100 | |
| Grade/Model Run: | 4 of 4 | |
| Grade/Model Total Production: | 250 | |
| Variant Est. Production: | 100 (16S-M8-23J-HNL-A6PTI-FALSE BRIDGE) | |
| Size: | 16s | |
| Jewels: | 23j | |
| Jewel Material: | Ruby & Sapphire | |
| Jewel Setting: | Raised Gold Settings (Screw-Set) | |
| Movement Configuration: | Hunting | |
| Movement Finish: | Nickel | |
| Movement Setting: | Lever | |
| Plate: | Bridge Plate | |
| Bridge Type: | False Center | |
| Double Roller: | Yes | |
| Barrel: | Going | |
| 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: | No | |
| Dial Feet Locations: | 13.5, 39.0, 58.0 | |
| Case Screw Locations: | 18.0, 53.0 | |
| Case: | Various | |
| Run ID: | 9492.G27.16S2788.168M66.H4317.L6253.23J186 | |
| Database Version: | v52.433 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 0.75 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 2.44 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.004% | |
| Registry Population: Scoped for This Run Only | 2 (2.00%) | |
Production Metrics Tree: Grade Sangamo Special
Target Profile: 16S-M8-23J-HNL-A6PTI-FALSE BRIDGE
| Illinois Grade Sangamo Special (All Variations): 30,260 ETP | ||||
| 16S: 12,660 41.84% 16s, Grade Sangamo Special |
Other: 17,600
Other Sizes or Unclassified |
|||
| 16S-M8: 250 0.83% 16s, Grade Sangamo Special, Model 8 |
Other: 12,410
Other Models or Unclassified |
|||
| 16S-M8-23J: 150 0.50% 16s, Grade Sangamo Special, Model 8, 23 Jewels |
Other: 100
Other Jewels or Unclassified |
|||
| 16S-M8-23J-HNL: 150 0.50% 16s, Grade Sangamo Special, Model 8, 23 Jewels, Hunting/Lever/Nickel |
||||
| 16S-M8-23J-HNL-A6PTI: 150 0.50% | ||||
| 16S-M8-23J-HNL-A6PTI-FALSE BRIDGE: 100 0.33% | Other: 50
Other Variants or Unclassified |
|||
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.
cjbrem Supporter 909 · April 17, 2024
Serial Number 2977224 was reported as accurate.
cjbrem Supporter 909 · April 17, 2024
Serial Number 2977224 was reported as accurate.
Renegade 4 · December 11, 2021
Serial Number 2977234 was reported as accurate.
