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: 3789808
Grade: 107
Model: 9
Class: 1
Estimated Production Year: 1920
Run Quantity: 1,000
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: 11 (1.10%)
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 3789086 #86 Marketplace September 27, 2013
2 3789137 #137 Marketplace May 26, 2017
3 3789165 #165 Marketplace February 10, 2018
4 3789217 #217 Marketplace January 03, 2020
5
Image Credit: Shell7
3789364 #364 Collection January 29, 2014
6 3789375 #375 Marketplace March 19, 2020
7
Image Credit: TimeAntiquarian
3789442 #442 Collection May 27, 2013
8 3789696 #696 Marketplace August 06, 2016
9
Image Credit: JenZo82
3789808 #808 Collection July 26, 2017
10 3789861 #861 Marketplace August 16, 2018
11 3789905 #905 Marketplace August 15, 2018
Standard Deviation of Known Examples: 307.03 (Expected: 288.82, Δ18.21/1.82%)

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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 · July 16, 2022

Serial Number 3789175 was reported as accurate.

Anonymous · August 7, 2020

Serial Number 3789110 was reported as accurate.

Anonymous · April 19, 2019

Serial Number 3789905 was reported as accurate.

Anonymous · January 29, 2019

Serial Number 3789876 was reported as accurate.

Anonymous · December 15, 2018

Serial Number 3789068 was reported as accurate.

Anonymous · August 16, 2018

Serial Number 3789861 was reported as accurate.

Anonymous · April 12, 2017

Serial Number 3789438 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to Limited Approval

Anonymous · August 20, 2016

Serial Number 3789696 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to Limited Approval

Anonymous · August 27, 2015

Serial Number 3789949 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to Limited Approval

Anonymous · March 14, 2014

Serial Number 3789163 was reported as inaccurate.

Note: Bridge plate like all pics here
Changes since this report was submitted:
Railroad Grade changed from Yes to Limited Approval
Plate changed from 3/4 to Bridge

Shell7 1 · January 29, 2014

Serial Number 3789364 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

Shell7 1 · January 29, 2014

Serial Number 3789364 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

shortrlk76 21 · August 6, 2013

Serial Number 3789086 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 · May 27, 2013

Serial Number 3789442 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