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: 3789442
Grade: 107
Model: 9
Class: 1
Estimated Production Year: 1920
Run Quantity: 1,000
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: v49.391

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 3789364 #364 Collection January 29, 2014
6 3789375 #375 Marketplace March 19, 2020
7 3789442 #442 Collection May 27, 2013
8 3789696 #696 Marketplace August 06, 2016
9 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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Data Verification Reports

3789001
Verification Serial Map
3790000

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