Pocket Watch Database
https://pocketwatchdatabase.com/search/result/illinois/4166227
Access Date: November 23, 2024
From the American Horology Archive:
Illinois Watch Co.
Grade: Sangamo Special
Manufacturer: | Illinois | |
Manufacturer Location: | Springfield, Illinois | |
Movement Serial Number: | 4166227 | |
Grade: | Sangamo Special | |
Variation: | False Bridge | |
Model: | 10 | |
Estimated Production Year: | 1923 | |
Run Quantity: | 800 | |
Grade/Model Run: | 4 of 4 | |
Grade/Model Total Production: | 6,400 | |
Size: | 17s | |
Jewels: | 23j | |
Jewel Material: | Ruby | |
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 | |
Movement Markings: | Illinois Watch Co. Springfield Sangamo Special 23 Jewels Motor Barrel Adjusted Temp. And Six Positions D.R. |
|
Case: | Various | |
Run ID: | 11513.G41.17S4.1710M4.O6271.L6822.23J247 | |
Database Version: | v52.457 | |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 19.27 | |
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 | 22 (2.75%) | |
$ Estimated Value (12 Month Change): | -4.72% Analyzing 145 Sales | |
Research Note: #4166419: Single-Sunk Heavy Gothic Montgomery Dial
Some sources indicate this run is fitted with a 60-Hour barrel and mainspring. However, a timing test of #4166633 confirms this is not the case. Only the Model 13 was fitted with the 60-Hour mainspring. |
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 22 watches in the population registry for this run with 2 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.
dcooper Supporter 230 · January 19, 2023
Serial Number 4166234 was reported as accurate.
rad291 Supporter 20 · August 28, 2021
Serial Number 4166227 was reported as accurate.
texnet 684 · August 8, 2021
Serial Number 4166585 was reported as accurate.
rad291 Supporter 20 · June 22, 2021
Serial Number 4166227 was reported as accurate.
bunnofnickle 67 · July 4, 2020
Serial Number 4166211 was reported as accurate.
Anonymous · July 24, 2019
Serial Number 4166667 was reported as inaccurate.
Guide to Watches. Hope they are correct ! Keep up
the good work!
dfchong 837 · February 2, 2019
Serial Number 4166218 was reported as accurate.
dfchong 837 · March 27, 2018
Serial Number 4166463 was reported as accurate.
dfchong 837 · February 28, 2018
Serial Number 4166383 was reported as accurate.
dfchong 837 · September 18, 2017
Serial Number 4166390 was reported as accurate.
dfchong 837 · September 15, 2017
Serial Number 4166390 was reported as accurate.
Bmitch506 1 · September 7, 2017
Serial Number 4166485 was reported as accurate.
dfchong 837 · February 27, 2017
Serial Number 4166388 was reported as accurate.
dfchong 837 · October 24, 2016
Serial Number 4166044 was reported as accurate.
dfchong 837 · October 24, 2016
Serial Number 4166044 was reported as accurate.
dfchong 837 · October 24, 2016
Serial Number 4166044 was reported as accurate.
Gasperoff Supporter 727 · April 26, 2015
Serial Number 4166174 was reported as accurate.
Gasperoff Supporter 727 · February 24, 2015
Serial Number 4166174 was reported as accurate.
Carrato 96 · August 23, 2014
Serial Number 4166388 was reported as accurate.
sangamo 20 · October 15, 2013
Serial Number 4166676 was reported as accurate.
Anonymous · October 11, 2013
Serial Number 4166391 was reported as inaccurate.
Bluejay 179 · September 20, 2013
Serial Number 4166607 was reported as inaccurate.
bridge. Great movement. All else is correct.
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