Pocket Watch Database

From the American Horology Archive:
Illinois Grade 107 Pocket Watch

Illinois Watch Co.

Grade: 107

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 3931794
Grade: 107
Model: 9
Class: 1
Estimated Production Year: 1921
Run Quantity: 2,000
Grade/Model Total Production: 88,000
Size: 16s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Bridge Plate
Bridge Type: False Center
Double Roller: Yes
Barrel: Going
Adjusted: Yes
Adjusted to Position: Yes
Adjusted to Temperature: Yes
Railroad Grade: Limited Approval
Dial Feet Locations: 17.5, 39.0, 58.0
Case Screw Locations: 3.0, 38.0
Case: Various
Registry Population: 15 (0.75%)
Database Version: v49.716

Production Metrics Tree: Grade 107

Target Profile: 16S-M9-21J-ONL-APT

Illinois Grade 107 (All Variations): 110,250 ETP
16S: 94,100 85.35%
16s, Grade 107
Other: 16,150
Other Sizes or Unclassified
16S-M9: 88,000 79.82%
16s, Grade 107, Model 9
Other: 6,100
Other Models or Unclassified
16S-M9-21J: 88,000 79.82%
16s, Grade 107, Model 9, 21 Jewels
16S-M9-21J-ONL: 88,000 79.82%
16s, Grade 107, Model 9, 21 Jewels, Openface/Lever/Nickel
16S-M9-21J-ONL-APT: 88,000 79.82%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 3930125 #125 Marketplace January 20, 2018
2 3930493 #493 Collection December 25, 2017
3 3930575 #575 Collection November 19, 2015
4 3930684 #684 Marketplace February 07, 2021
5 3930789 #789 Marketplace April 01, 2022
6 3930794 #794 Marketplace June 03, 2014
7 3930997 #997 Marketplace November 28, 2021
8 3931548 #1548 Marketplace April 15, 2014
9 3931652 #1652 Marketplace October 24, 2016
10 3931680 #1680 Marketplace December 01, 2019
11 3931748 #1748 Marketplace November 25, 2016
12 3931786 #1786 Collection June 29, 2016
13
Image Credit: Blicquer
3931794 #1794 Collection August 28, 2021
14 3931872 #1872 Marketplace March 31, 2018
15 3931993 #1993 Marketplace April 07, 2013
Standard Deviation of Known Examples: 615.36 (Expected: 577.49, Δ37.87/1.89%)

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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 · August 19, 2022

Serial Number 3930658 was reported as accurate.

Anonymous · March 22, 2022

Serial Number 3930789 was reported as accurate.

Anonymous · October 3, 2021

Serial Number 3931488 was reported as accurate.

Blicquer Supporter 48 · August 28, 2021

Serial Number 3931794 was reported as accurate.

Anonymous · October 15, 2020

Serial Number 3931232 was reported as accurate.

Anonymous · January 6, 2020

Serial Number 3930929 was reported as accurate.

Anonymous · June 25, 2019

Serial Number 3931401 was reported as accurate.

Anonymous · June 6, 2019

Serial Number 3930943 was reported as accurate.

Kevin H 84 · May 15, 2019

Serial Number 3930067 was reported as accurate.

Anonymous · March 27, 2019

Serial Number 3931364 was reported as accurate.

GT3025 3 · December 24, 2017

Serial Number 3930331 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from No to Limited Approval

Anonymous · September 30, 2016

Serial Number 3931969 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Limited Approval
Plate changed from 3/4 to Bridge

SmokinDave 2 · June 29, 2016

Serial Number 3931786 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Limited Approval
Plate changed from 3/4 to Bridge

Anonymous · September 23, 2014

Serial Number 3931579 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Limited Approval
Plate changed from 3/4 to Bridge

Anonymous · August 7, 2014

Serial Number 3930982 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Limited Approval
Plate changed from 3/4 to Bridge

Anonymous · May 15, 2013

Serial Number 3930844 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Limited Approval
Plate changed from 3/4 to Bridge

Anonymous · May 12, 2013

Serial Number 3930844 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Limited Approval
Plate changed from 3/4 to Bridge

Anonymous · May 12, 2013

Serial Number 3930844 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Limited Approval
Plate changed from 3/4 to Bridge

Anonymous · April 26, 2013

Serial Number 3930004 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Limited Approval
Plate changed from 3/4 to Bridge

Anonymous · April 11, 2013

Serial Number 3931993 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Limited Approval
Plate changed from 3/4 to Bridge

Anonymous · April 7, 2013

Serial Number 3931993 was reported as inaccurate.

Note: 3931993 is lever set.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Limited Approval
Plate changed from 3/4 to Bridge
Illinois Grade 107 Pocket Watch