Illinois Pocket Watch: Serial Number 4642726 (Grade Sangamo Special)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/4642726

Access Date: April 24, 2024

From the American Horology Archive:

Illinois Watch Co.

Grade: Sangamo Special

Manufacturer:	Illinois
Manufacturer Location:	Springfield, Illinois
Movement Serial Number:	4642726
Grade:	Sangamo Special
Variation:	U60HR
Model:	13
Estimated Production Year:	1925
Run Quantity:	1,000
Grade/Model Run:	6 of 13
Grade/Model Total Production:	11,200
Variant Est. Production:	8,000 (17S-M13-23J-ONL-A6PTI-U60HR)
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:	60-Hr. 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
Dial Feet Locations:	17.5, 39.0, 58.0
Case Screw Locations:	3.0, 38.0
Case:	Various
Run ID:	11909.G48.17S10.1713M6.O6655.L6949.23J249
Database Version:	v52.245
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	33.72
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	113.72
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.197%
Registry Population:	23 (2.30%)
$ Estimated Value (12 Month Change):	-0.94% Analyzing 169 Sales

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Production Metrics Tree: Grade Sangamo Special

Target Profile: 17S-M13-23J-ONL-A6PTI-U60HR

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-M13: 11,200 37.01% 17s, Grade Sangamo Special, Model 13	Other: 6,400 Other Models or Unclassified
17S-M13-23J: 11,200 37.01% 17s, Grade Sangamo Special, Model 13, 23 Jewels
17S-M13-23J-ONL: 11,200 37.01% 17s, Grade Sangamo Special, Model 13, 23 Jewels, Openface/Lever/Nickel
17S-M13-23J-ONL-A6PTI: 11,200 37.01%
17S-M13-23J-ONL-A6PTI-U60HR: 8,000 26.44%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 23 watches in the population registry for this run with 2 images. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

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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.

Anonymous · December 1, 2023

Serial Number 4642531 was reported as accurate.

rmwatchandclock Supporter 366 · June 13, 2023

Serial Number 4642187 was reported as accurate.

Utes1972 13 · October 19, 2022

Serial Number 4642586 was reported as accurate.

Anonymous · April 3, 2022

Serial Number 4642529 was reported as accurate.

Anonymous · February 14, 2022

Serial Number 4642562 was reported as accurate.

Anonymous · October 5, 2021

Serial Number 4642436 was reported as accurate.

Anonymous · March 28, 2021

Serial Number 4642056 was reported as accurate.

Anonymous · January 12, 2021

Serial Number 4642218 was reported as accurate.

Elmore 7 · November 30, 2020

Serial Number 4642726 was reported as accurate.

Anonymous · August 17, 2019

Serial Number 4642398 was reported as accurate.

Anonymous · December 2, 2018

Serial Number 4642799 was reported as accurate.

gezu111 64 · November 12, 2018

Serial Number 4642914 was reported as accurate.

Anonymous · October 24, 2018

Serial Number 4642010 was reported as accurate.

Anonymous · October 22, 2018

Serial Number 4642010 was reported as accurate.

johnmcjep 10 · July 1, 2018

Serial Number 4642807 was reported as accurate.

Anonymous · May 22, 2018

Serial Number 4642624 was reported as accurate.

Anonymous · May 21, 2018

Serial Number 4642624 was reported as accurate.