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: 4628749
Grade: Sangamo Special
Variation: U60HR
Model: 13
Estimated Production Year: 1925
Run Quantity: 1,000
Grade/Model Run: 5 of 13
Grade/Model Total Production: 11,200
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: 11897.G47.17S9.1713M5.O6643.L6944.23J248
Database Version: v52.221
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
33.53
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: 21 (2.10%)
$ Estimated Value (12 Month Change): 3.23% 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 · June 30, 2022

Serial Number 4628357 was reported as accurate.

Anonymous · September 20, 2021

Serial Number 4628365 was reported as accurate.

Anonymous · April 13, 2020

Serial Number 4628479 was reported as accurate.

Anonymous · February 29, 2020

Serial Number 4628306 was reported as accurate.

dfchong 837 · October 15, 2019

Serial Number 4628718 was reported as accurate.

Anonymous · September 16, 2019

Serial Number 4628797 was reported as accurate.

dfchong 837 · July 25, 2019

Serial Number 4628652 was reported as accurate.

dfchong 837 · July 20, 2019

Serial Number 4628652 was reported as accurate.

Anonymous · June 27, 2019

Serial Number 4628350 was reported as accurate.

dfchong 837 · April 18, 2018

Serial Number 4628488 was reported as accurate.

dfchong 837 · April 18, 2018

Serial Number 4628488 was reported as accurate.

dfchong 837 · April 15, 2018

Serial Number 4628488 was reported as accurate.

Anonymous · January 20, 2017

Serial Number 4628128 was reported as accurate.

Anonymous · November 14, 2016

Serial Number 4628798 was reported as accurate.

Anonymous · September 4, 2016

Serial Number 4628156 was reported as accurate.

Gasperoff Supporter 727 · December 20, 2015

Serial Number 4628134 was reported as accurate.

Anonymous · September 13, 2015

Serial Number 4628194 was reported as accurate.

Anonymous · May 7, 2014

Serial Number 4628868 was reported as accurate.

Anonymous · February 25, 2014

Serial Number 4628696 was reported as accurate.

Anonymous · January 29, 2013

Serial Number 4628118 was reported as accurate.

Illinois Grade Sangamo Special Pocket Watch