Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/2970361
https://pocketwatchdatabase.com/search/result/illinois/2970361
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: | 2970361 | |
| Grade: | Sangamo Special | |
| Variation: | False Bridge | |
| Model: | 9 | |
| Estimated Production Year: | 1916 | |
| Run Quantity: | 500 | |
| Grade/Model Run: | 23 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: | 9473.G26.16S2772.169M217.O4624.L6239.23J179 | |
| 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: | 13 (2.60%) | |
| $ 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 13 watches in the population registry for this run with 4 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.
cjbrem Supporter 521 · June 11, 2023
Serial Number 2970364 was reported as accurate.
DaveReid 52 · May 14, 2022
Serial Number 2970123 was reported as accurate.
cranemaker Supporter 73 · April 10, 2022
Serial Number 2970141 was reported as accurate.
Anonymous · July 10, 2020
Serial Number 2970364 was reported as accurate.
Carterp935 3 · April 5, 2019
Serial Number 2970467 was reported as accurate.
Anonymous · April 5, 2019
Serial Number 2970467 was reported as accurate.
Anonymous · January 8, 2019
Serial Number 2970467 was reported as accurate.
Anonymous · April 12, 2018
Serial Number 2970065 was reported as accurate.
Anonymous · August 5, 2017
Serial Number 2970085 was reported as accurate.
Anonymous · August 19, 2016
Serial Number 2970242 was reported as accurate.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
darkstar 247 · March 30, 2015
Serial Number 2970208 was reported as accurate.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Anonymous · June 4, 2013
Serial Number 2970234 was reported as inaccurate.
No further details were submitted with the report.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
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