Pocket Watch Database

From the American Horology Archive:
Illinois Grade 151 Pocket Watch

Illinois Watch Co.

Grade: 151

Plate Is Recessed.

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 529076
Grade: 151
Model: 2
Estimated Production Year: 1885
Run Quantity: 4,000
Total Production: 16,600
Size: 8s
Jewels: 7j
Movement Configuration: Hunting
Movement Finish: Gilt
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: Going
Adjusted: No
Railroad Grade: No
Dial Feet Locations: 18.0, 40.5, 49.5
Case Screw Locations: 15.0, 45.0
U.S. Patents: 238464
Database Version: v46.417

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Data Verification Reports

526001
Verification Serial Map
530000

Anonymous · July 10, 2021

Serial Number 527213 was reported as accurate.

Anonymous · April 19, 2021

Serial Number 527313 was reported as accurate.

Anonymous · June 1, 2019

Serial Number 527847 was reported as accurate.

Anonymous · December 2, 2016

Serial Number 529079 was reported as accurate.

Anonymous · September 20, 2016

Serial Number 529439 was reported as accurate.

Anonymous · August 25, 2015

Serial Number 529151 was reported as accurate.

Changes since this report was submitted:
Plate changed from Full to 3/4

Anonymous · July 12, 2015

Serial Number 528462 was reported as accurate.

Changes since this report was submitted:
Plate changed from Full to 3/4

rjbeck 150 · April 2, 2015

Serial Number 529742 was reported as accurate.

Changes since this report was submitted:
Plate changed from Full to 3/4

Anonymous · October 4, 2013

Serial Number 526099 was reported as inaccurate.

Note: change to 3/4 plate
Changes since this report was submitted:
Plate changed from Full to 3/4

Anonymous · April 23, 2013

Serial Number 528111 was reported as inaccurate.

Note: The Illinosi 8S movement is a 3/4 plate mvmt, not
full-plate.
Changes since this report was submitted:
Plate changed from Full to 3/4

Anonymous · August 13, 2012

Serial Number 529190 was reported as accurate.

Changes since this report was submitted:
Plate changed from Full to 3/4
Illinois Grade 151 Pocket Watch