Pocket Watch Database

From the American Horology Archive:
Illinois Grade 106 Pocket Watch

Illinois Watch Co.

Grade: 106

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 2684431
Grade: 106
Model: 9
Estimated Production Year: 1914
Run Quantity: 1,600
Grade/Model Total Production: 30,100
Variant Est. Production: 1,600 (16S-M9-19J-ONL-A5PT)
Size: 16s
Jewels: 19j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Full Plate
Double Roller: Yes
Barrel: Going
Regulator: Patent
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted # of Positions: 5
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: 19 (1.19%)
Database Version: v49.716

Production Metrics Tree: Grade 106

Target Profile: 16S-M9-19J-ONL-A5PT

Illinois Grade 106 (All Variations): 46,700 ETP
16S: 43,300 92.72%
16s, Grade 106
Other: 3,400
Other Sizes or Unclassified
16S-M9: 30,100 64.45%
16s, Grade 106, Model 9
Other: 13,200
Other Models or Unclassified
16S-M9-19J: 30,100 64.45%
16s, Grade 106, Model 9, 19 Jewels
16S-M9-19J-ONL: 30,100 64.45%
16s, Grade 106, Model 9, 19 Jewels, Openface/Lever/Nickel
16S-M9-19J-ONL-A5PT: 1,600 3.43% Other: 28,500
Other Adjustments or Unclassified

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 2683463 #63 Marketplace October 27, 2018
2 2683488 #88 Marketplace April 06, 2016
3
Image Credit: okiejohn
2683587 #187 Collection April 08, 2022
4 2683602 #202 Collection August 16, 2015
5 2683623 #223 Marketplace August 07, 2014
6
Image Credit: Jolana
2683700 #300 Collection April 22, 2017
7 2683807 #407 Marketplace November 08, 2013
8 2683921 #521 Marketplace July 10, 2013
9 2684004 #604 Marketplace January 16, 2022
10 2684020 #620 Inferred
11 2684110 #710 Marketplace July 14, 2022
12 2684431 #1031 Collection January 05, 2018
13
Image Credit: Groovysalsa
2684593 #1193 Collection February 17, 2013
14 2684600 #1200 Marketplace February 14, 2017
15 2684623 #1223 Marketplace July 02, 2014
16 2684748 #1348 Marketplace March 29, 2013
17 2684892 #1492 Marketplace February 11, 2017
18 2684938 #1538 Collection November 06, 2019
19 2684952 #1552 Collection May 22, 2020
Standard Deviation of Known Examples: 531.67 (Expected: 462.02, Δ69.64/4.35%)

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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.


RomanWatchRepair 29 · January 30, 2023

Serial Number 2684892 was reported as accurate.

Anonymous · August 19, 2022

Serial Number 2683709 was reported as accurate.

Changes since this report was submitted:
Plate changed from Bridge to Full

okiejohn 310 · April 8, 2022

Serial Number 2683587 was reported as accurate.

Changes since this report was submitted:
Plate changed from Bridge to Full

Chronified Supporter 193 · October 21, 2021

Serial Number 2683724 was reported as accurate.

Changes since this report was submitted:
Plate changed from Bridge to Full

Ttownbrotha44 4 · April 23, 2021

Serial Number 2684826 was reported as accurate.

Changes since this report was submitted:
Plate changed from Bridge to Full

Anonymous · January 29, 2021

Serial Number 2684209 was reported as accurate.

Changes since this report was submitted:
Plate changed from Bridge to Full

Bretto 33 · October 27, 2020

Serial Number 2684949 was reported as accurate.

Changes since this report was submitted:
Plate changed from Bridge to Full

cliffdobbins Supporter 247 · May 22, 2020

Serial Number 2684952 was reported as accurate.

Changes since this report was submitted:
Plate changed from Bridge to Full

WLBelkriver33 804 · November 5, 2018

Serial Number 2683463 was reported as accurate.

Changes since this report was submitted:
Plate changed from Bridge to Full

WLBelkriver33 804 · November 4, 2018

Serial Number 2683463 was reported as accurate.

Changes since this report was submitted:
Plate changed from Bridge to Full

Anonymous · April 29, 2017

Serial Number 2684456 was reported as accurate.

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

Groovysalsa 109 · July 31, 2015

Serial Number 2684593 was reported as accurate.

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

Anonymous · November 8, 2013

Serial Number 2684839 was reported as accurate.

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

Anonymous · February 17, 2013

Serial Number 2684593 was reported as inaccurate.

Note: Adjusted to 5 positions
Changes since this report was submitted:
Railroad Grade changed from Yes to Limited Approval
Plate changed from 3/4 to Full

Anonymous · February 8, 2013

Serial Number 2684593 was reported as accurate.

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

Anonymous · February 8, 2013

Serial Number 2684593 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from Yes to Limited Approval
Plate changed from 3/4 to Full
Illinois Grade 106 Pocket Watch