Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/2920038
https://pocketwatchdatabase.com/search/result/illinois/2920038
Access Date: April 25, 2024
From the American Horology Archive:
Illinois Watch Co.
Grade: Sangamo Special
| Manufacturer: | Illinois |  |
| Manufacturer Location: | Springfield, Illinois | |
| Movement Serial Number: | 2920038 | |
| Grade: | Sangamo Special | |
| Variation: | False Bridge | |
| Model: | 9 | |
| Estimated Production Year: | 1916 | |
| Run Quantity: | 100 | |
| Grade/Model Run: | 21 of 25 | |
| Grade/Model Total Production: | 8,070 | |
| Variant Est. Production: | 1,710 (16S-M9-23J-ONL-A6PTI-FALSE BRIDGE) | |
| Size: | 16s | |
| 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: | 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: | Yes | |
| Dial Feet Locations: | 17.5, 39.0, 58.0 | |
| Case Screw Locations: | 3.0, 38.0 | |
| Case: | Various | |
| Run ID: | 9318.G24.16S2729.169M202.O4494.L6219.23J174 | |
| Database Version: | v52.245 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 24.29 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 81.91 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.142% | |
| Registry Population: | 3 (3.00%) | |
| $ Estimated Value (12 Month Change): | 9.99% Analyzing 105 Sales | |
Production Metrics Tree: Grade Sangamo Special
Target Profile: 16S-M9-23J-ONL-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-M9: 8,070 26.67% 16s, Grade Sangamo Special, Model 9 |
Other: 4,590
Other Models or Unclassified |
||||||
| 16S-M9-23J: 3,420 11.30% 16s, Grade Sangamo Special, Model 9, 23 Jewels |
Other: 4,650
Other Jewels or Unclassified |
||||||
| 16S-M9-23J-ONL: 3,420 11.30% 16s, Grade Sangamo Special, Model 9, 23 Jewels, Openface/Lever/Nickel |
|||||||
| 16S-M9-23J-ONL-A6PTI: 3,420 11.30% | |||||||
| 16S-M9-23J-ONL-A6PTI-FALSE BRIDGE: 1,710 5.65% | |||||||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 3 watches in the population registry for this run with 1 image.
|
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Help Us Help Others By Improving the Database:
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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.
dfchong 837 · October 27, 2016
Serial Number 2920057 was reported as accurate.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
dfchong 837 · August 2, 2016
Serial Number 2920059 was reported as accurate.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Bluejay 179 · August 17, 2014
Serial Number 2920073 was reported as accurate.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
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