Pocket Watch Database

From the American Horology Archive:
Illinois Grade 405 Pocket Watch Movement
Illinois Grade 405 Pocket Watch Movement

Illinois Watch Co.

Grade: 405

Private Label(s) in Run:
Pennsylvania Special // Duquesne
Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 4263634
Grade: 405
Model: 3
Estimated Production Year: 1923
Run Quantity: 1,000
Total Production: 393,720
Size: 12s
Jewels: 17j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Bridge Type: Center
Barrel: Going
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Railroad Grade: No
Dial Feet Locations: 20.5, 39.0, 55.0
Case Screw Locations: 2.5, 35.5

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Data Verification Reports

4263001
Verification Serial Map
4264000

Anonymous · August 17, 2020

Serial Number 4263371 was reported as accurate.

Anonymous · January 13, 2018

Serial Number 4263593 was reported as inaccurate.

Note: This might be a Grade 405 but it does not say
Pennsylvania Special on the movement. It says
"Duquesne"

Anonymous · June 29, 2015

Serial Number 4263937 was reported as accurate.

jakester1042 93 · March 18, 2014

Serial Number 4263307 was reported as accurate.

Illinois Grade 405 Pocket Watch Movement
Illinois Grade 405 Pocket Watch Movement