Pocket Watch Database

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

Illinois Watch Co.

Grade: Sangamo Special

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 4556568
Grade: Sangamo Special
Variation: U60HR
Model: 13
Estimated Production Year: 1925
Run Quantity: 1,000
Grade/Model Run: 2 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: 11850.G44.17S6.1713M2.O6597.L6940.23J256
Database Version: v52.407
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:
Scoped for This Run Only
30 (3.00%)
$ Estimated Value (12 Month Change): -10.46% Analyzing 171 Sales

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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 · January 30, 2024

Serial Number 4556942 was reported as accurate.

Anonymous · October 14, 2023

Serial Number 4556242 was reported as accurate.

avpalermo Supporter 640 · January 16, 2022

Serial Number 4556320 was reported as accurate.

avpalermo Supporter 640 · January 16, 2022

Serial Number 4556320 was reported as accurate.

avpalermo Supporter 640 · December 23, 2021

Serial Number 4556608 was reported as accurate.

Anonymous · June 22, 2021

Serial Number 4556242 was reported as accurate.

rmwatchandclock Supporter 371 · June 2, 2021

Serial Number 4556664 was reported as accurate.

Anonymous · August 21, 2020

Serial Number 4556179 was reported as accurate.

rjmurton1964 34 · April 13, 2020

Serial Number 4556668 was reported as accurate.

Anonymous · March 2, 2020

Serial Number 4556510 was reported as accurate.

Anonymous · February 26, 2020

Serial Number 4556126 was reported as accurate.

Anonymous · November 14, 2019

Serial Number 4556778 was reported as accurate.

WLBelkriver33 804 · March 30, 2019

Serial Number 4556580 was reported as accurate.

dfchong 837 · March 30, 2019

Serial Number 4556580 was reported as accurate.

Anonymous · February 21, 2019

Serial Number 4556630 was reported as accurate.

dfchong 837 · January 10, 2019

Serial Number 4556607 was reported as accurate.

Anonymous · January 9, 2019

Serial Number 4556607 was reported as accurate.

marple-OLD 1 · September 23, 2018

Serial Number 4556991 was reported as accurate.

Anonymous · July 12, 2018

Serial Number 4556078 was reported as accurate.

Anonymous · March 27, 2018

Serial Number 4556918 was reported as accurate.

Anonymous · February 4, 2018

Serial Number 4556803 was reported as accurate.

Gasperoff Supporter 727 · January 25, 2017

Serial Number 4556291 was reported as accurate.

Anonymous · January 13, 2017

Serial Number 4556842 was reported as accurate.

Anonymous · December 31, 2016

Serial Number 4556381 was reported as accurate.

Anonymous · November 14, 2016

Serial Number 4556381 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · October 9, 2016

Serial Number 4556291 was reported as accurate.

Anonymous · April 18, 2016

Serial Number 4556081 was reported as accurate.

Anonymous · January 21, 2016

Serial Number 4556063 was reported as accurate.

sutters99 6 · August 24, 2014

Serial Number 4556233 was reported as accurate.

rfregoso 55 · June 29, 2014

Serial Number 4556813 was reported as accurate.

smoken 110 · June 18, 2014

Serial Number 4556568 was reported as accurate.

Anonymous · November 24, 2013

Serial Number 4556899 was reported as accurate.

Anonymous · September 9, 2013

Serial Number 4556938 was reported as accurate.

Illinois Grade Sangamo Special Pocket Watch