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: 4734263
Grade: Sangamo Special
Variation: U60HR
Model: 13
Estimated Production Year: 1926
Run Quantity: 1,000
Grade/Model Run: 9 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: 11977.G51.17S13.1713M9.O6721.L6968.23J255
Database Version: v52.235
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: 36 (3.60%)
$ Estimated Value (12 Month Change): -0.94% Analyzing 169 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 · July 30, 2023

Serial Number 4734843 was reported as accurate.

Anonymous · February 6, 2023

Serial Number 4734662 was reported as accurate.

Blicquer Supporter 75 · July 10, 2022

Serial Number 4734104 was reported as accurate.

Rickglick1 Top Contributor Supporter 18 · February 15, 2022

Serial Number 4734074 was reported as accurate.

Rickglick1 Top Contributor Supporter 18 · February 15, 2022

Serial Number 4734074 was reported as accurate.

10mueller 38 · June 11, 2021

Serial Number 4734798 was reported as accurate.

Anonymous · January 5, 2021

Serial Number 4734108 was reported as accurate.

Anonymous · June 13, 2020

Serial Number 4734318 was reported as accurate.

Tnsaltydog 12 · January 23, 2020

Serial Number 4734486 was reported as accurate.

Anonymous · June 10, 2019

Serial Number 4734306 was reported as accurate.

dfchong 837 · February 26, 2019

Serial Number 4734490 was reported as accurate.

dfchong 837 · November 25, 2018

Serial Number 4734808 was reported as accurate.

dfchong 837 · November 25, 2018

Serial Number 4734808 was reported as accurate.

WLBelkriver33 804 · November 22, 2018

Serial Number 4734808 was reported as accurate.

dfchong 837 · August 7, 2018

Serial Number 4734593 was reported as accurate.

dfchong 837 · July 28, 2017

Serial Number 4734594 was reported as accurate.

Anonymous · May 14, 2017

Serial Number 4734048 was reported as accurate.

Anonymous · April 3, 2017

Serial Number 4734020 was reported as accurate.

dfchong 837 · March 27, 2017

Serial Number 4734020 was reported as accurate.

Anonymous · March 10, 2017

Serial Number 4734020 was reported as accurate.

Anonymous · April 25, 2016

Serial Number 4734375 was reported as accurate.

yrazis Supporter 9 · March 16, 2016

Serial Number 4734471 was reported as accurate.

bwalder 137 · December 28, 2015

Serial Number 4734645 was reported as accurate.

Gasperoff Supporter 727 · November 16, 2015

Serial Number 4734509 was reported as accurate.

Anonymous · July 25, 2015

Serial Number 4734871 was reported as accurate.

Anonymous · July 5, 2015

Serial Number 4734778 was reported as accurate.

Anonymous · April 3, 2015

Serial Number 4734928 was reported as accurate.

Anonymous · July 16, 2014

Serial Number 4734471 was reported as accurate.

GuyJLemi 33 · June 25, 2014

Serial Number 4734471 was reported as accurate.

rocket00 236 · February 27, 2014

Serial Number 4734682 was reported as accurate.

rocket00 236 · January 29, 2014

Serial Number 4734682 was reported as accurate.

rocket00 236 · January 27, 2014

Serial Number 4734682 was reported as accurate.

Anonymous · January 26, 2014

Serial Number 4734682 was reported as accurate.

Bluejay 179 · July 9, 2013

Serial Number 4734163 was reported as inaccurate.

Note: 3/4 Plate, with a Jeweled Motor Barrel.
Changes since this report was submitted:
Plate changed from Unknown to Bridge

Anonymous · November 25, 2012

Serial Number 4734762 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Plate changed from Unknown to Bridge
Illinois Grade Sangamo Special Pocket Watch