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: 3954596
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: 10 (0.50%)
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 3954449 #449 Collection October 05, 2021
2
Image Credit: ady270
3954596 #596 Collection August 10, 2017
3 3954774 #774 Marketplace October 06, 2013
4 3954815 #815 Collection March 08, 2013
5 3955057 #1057 Marketplace January 13, 2015
6 3955072 #1072 Collection March 11, 2013
7 3955254 #1254 Collection July 04, 2018
8 3955610 #1610 Marketplace November 17, 2021
9 3955803 #1803 Marketplace October 04, 2014
10
Image Credit: d2hensley
3955874 #1874 Collection March 04, 2018
Standard Deviation of Known Examples: 498.42 (Expected: 577.49, Δ79.07/3.95%)

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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.


ddewitt84 1 · September 17, 2020

Serial Number 3954098 was reported as accurate.

Anonymous · June 21, 2020

Serial Number 3954580 was reported as accurate.

Anonymous · November 12, 2019

Serial Number 3955897 was reported as accurate.

ady270 15 · August 10, 2017

Serial Number 3954596 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to Limited Approval
Plate changed from 3/4 to Bridge

mjnelson 1 · February 19, 2017

Serial Number 3954157 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to Limited Approval
Plate changed from 3/4 to Bridge

Anonymous · October 7, 2015

Serial Number 3955791 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to Limited Approval
Plate changed from 3/4 to Bridge

Anonymous · April 19, 2015

Serial Number 3955746 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to Limited Approval
Plate changed from 3/4 to Bridge

Anonymous · March 11, 2013

Serial Number 3955072 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to Limited Approval
Plate changed from 3/4 to Bridge

Anonymous · March 8, 2013

Serial Number 3954815 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to Limited Approval
Plate changed from 3/4 to Bridge

Anonymous · August 25, 2012

Serial Number 3954941 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to Limited Approval
Plate changed from 3/4 to Bridge
Illinois Grade 107 Pocket Watch