Pocket Watch Database


From the American Horology Archive:
Illinois Grade Sangamo Special Pocket Watch

Illinois Watch Co.

Grade: Sangamo Special

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 4644695 Question Mark
Grade: Sangamo Special Question Mark
Variation: U60HR Question Mark
Model: 13 Question Mark
Estimated Production Year: 1925 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 7 of 13 Question Mark
Grade/Model Total Production: 11,200 Question Mark
Variant Est. Production: 8,000 (17S-M13-23J-ONL-A6PTI-U60HR) Question Mark
Size: 17s Question Mark
Jewels: 23j Question Mark
Jewel Material: Ruby & Sapphire Question Mark
Jewel Setting: Raised Gold Settings (Screw-Set) Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Bridge Plate Question Mark
Bridge Type: False Center Question Mark
Double Roller: Yes Question Mark
Barrel: 60-Hr. Motor Question Mark
Train Material: Gold Question Mark
Center Wheel Material: Gold Question Mark
Hairspring: Breguet Question Mark
Pallet Jewel Material: Ruby Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 6 Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Railroad Grade: Yes Question Mark
Dial Feet Locations: 17.5, 39.0, 58.0 Question Mark
Case Screw Locations: 3.0, 38.0 Question Mark
Case: Various Question Mark
Run ID: 11929.G49.17S11.1713M7.O6675.L6968.23J261 Question Mark
Database Version: v52.478 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
33.72 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
113.72 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.197% Question Mark
Registry Population:
Scoped for This Run Only
20 (2.00%) Question Mark
$ Estimated Value (12 Month Change): -10.46% Analyzing 171 Sales Question Mark

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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 · August 24, 2022

Serial Number 4644462 was reported as accurate.

Anonymous · July 1, 2022

Serial Number 4644659 was reported as accurate.

Anonymous · March 1, 2021

Serial Number 4644964 was reported as accurate.

mlm33395 5 · June 27, 2020

Serial Number 4644577 was reported as accurate.

Anonymous · June 18, 2019

Serial Number 4644247 was reported as accurate.

dfchong 837 · February 4, 2019

Serial Number 4644090 was reported as accurate.

dfchong 837 · October 22, 2018

Serial Number 4644018 was reported as accurate.

Anonymous · November 25, 2017

Serial Number 4644630 was reported as accurate.

Anonymous · September 30, 2017

Serial Number 4644695 was reported as accurate.

dfchong 837 · August 27, 2017

Serial Number 4644833 was reported as accurate.

dfchong 837 · August 23, 2017

Serial Number 4644833 was reported as accurate.

Anonymous · August 11, 2017

Serial Number 4644695 was reported as accurate.

Bossman49 3 · February 25, 2017

Serial Number 4644577 was reported as accurate.

Anonymous · January 25, 2017

Serial Number 4644900 was reported as accurate.

yrazis Supporter 9 · March 16, 2016

Serial Number 4644243 was reported as accurate.

yrazis Supporter 9 · March 16, 2016

Serial Number 4644242 was reported as accurate.

Anonymous · March 6, 2016

Serial Number 4644630 was reported as accurate.

Anonymous · February 29, 2016

Serial Number 4644191 was reported as accurate.

Anonymous · June 8, 2015

Serial Number 4644639 was reported as accurate.

Anonymous · October 31, 2014

Serial Number 4644727 was reported as accurate.

Anonymous · May 5, 2014

Serial Number 4644251 was reported as accurate.

Anonymous · April 19, 2013

Serial Number 4644087 was reported as accurate.

Anonymous · February 1, 2013

Serial Number 4644814 was reported as accurate.

Anonymous · December 23, 2012

Serial Number 4644296 was reported as accurate.

Anonymous · April 26, 2012

Serial Number 4644379 was reported as accurate.

Illinois Grade Sangamo Special Pocket Watch