Pocket Watch Database

From the American Horology Archive:
Illinois Grade 151 Pocket Watch Movement

Illinois Watch Co.

Grade: 151

Plate Is Recessed.

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 104988
Grade: 151
Model: 2
Estimated Production Date: March 1881 - September 1882
Run Quantity: 2,200
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: v48.137

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Data Verification Reports

103901
Verification Serial Map
106100

Anonymous · April 19, 2022

Serial Number 105367 was reported as accurate.

Anonymous · April 1, 2020

Serial Number 104289 was reported as accurate.

Anonymous · August 25, 2019

Serial Number 105768 was reported as accurate.

rjbeck 150 · January 10, 2019

Serial Number 105642 was reported as accurate.

Anonymous · December 8, 2018

Serial Number 105081 was reported as accurate.

Deere51 102 · March 1, 2018

Serial Number 104988 was reported as accurate.

cmdraven 3371 · December 17, 2016

Serial Number 105008 was reported as accurate.

Anonymous · December 21, 2015

Serial Number 106086 was reported as accurate.

Anonymous · July 2, 2014

Serial Number 105344 was reported as accurate.

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

chevykingpower 215 · May 16, 2014

Serial Number 104225 was reported as accurate.

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

Anonymous · May 16, 2014

Serial Number 104225 was reported as accurate.

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

Anonymous · March 25, 2014

Serial Number 104004 was reported as accurate.

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

Anonymous · November 16, 2013

Serial Number 104787 was reported as accurate.

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

Anonymous · May 8, 2013

Serial Number 104008 was reported as accurate.

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