Pocket Watch Database

From the American Horology Archive:
Illinois Grade 806 Pocket Watch

Illinois Watch Co.

Grade: 806

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 4437063
Grade: 806
Model: 9
Estimated Production Year: 1923
Run Quantity: 1,000
Total Production: 43,590
Size: 16s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Double Roller: Yes
Barrel: Going
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Railroad Grade: Limited Approval
Railroad Grade Classification: Class G
Dial Feet Locations: 17.5, 39.0, 58.0
Case Screw Locations: 3.0, 38.0
Case: Various
Registry Population: 18 (1.80%)
Database Version: v49.391

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 4437012 #12 Marketplace October 27, 2013
2 4437059 #59 Marketplace May 18, 2017
3 4437063 #63 Collection December 24, 2018
4 4437104 #104 Collection August 23, 2016
5 4437220 #220 Collection July 05, 2020
6 4437283 #283 Marketplace June 05, 2015
7 4437312 #312 Marketplace June 06, 2021
8 4437404 #404 Marketplace December 05, 2018
9 4437452 #452 Collection July 05, 2015
10 4437506 #506 Marketplace September 18, 2014
11 4437521 #521 Collection December 29, 2018
12 4437528 #528 Collection September 15, 2019
13 4437760 #760 Marketplace September 22, 2017
14 4437773 #773 Collection November 06, 2013
15 4437803 #803 Marketplace April 29, 2015
16 4437810 #810 Marketplace June 27, 2022
17 4437879 #879 Marketplace January 27, 2015
18 4437899 #899 Collection June 22, 2019
Standard Deviation of Known Examples: 303.52 (Expected: 288.82, Δ14.70/1.47%)

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Data Verification Reports

4437001
Verification Serial Map
4438000

avpalermo Supporter 426 · January 9, 2022

Serial Number 4437528 was reported as accurate.

Anonymous · June 22, 2020

Serial Number 4437220 was reported as accurate.

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

Anonymous · March 11, 2019

Serial Number 4437143 was reported as accurate.

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

Anonymous · December 13, 2018

Serial Number 4437174 was reported as accurate.

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

Anonymous · September 13, 2017

Serial Number 4437328 was reported as accurate.

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

Anonymous · April 5, 2017

Serial Number 4437059 was reported as accurate.

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

Anonymous · March 17, 2017

Serial Number 4437059 was reported as accurate.

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

crestpoint 1 · January 23, 2017

Serial Number 4437499 was reported as accurate.

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

Anonymous · August 23, 2016

Serial Number 4437104 was reported as accurate.

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

oilseed Supporter 468 · August 13, 2016

Serial Number 4437174 was reported as accurate.

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

Anonymous · June 20, 2016

Serial Number 4437464 was reported as accurate.

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

Anonymous · February 20, 2016

Serial Number 4437434 was reported as accurate.

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

Anonymous · November 23, 2015

Serial Number 4437717 was reported as accurate.

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

Anonymous · November 17, 2015

Serial Number 4437717 was reported as accurate.

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

geoulri1 Supporter 58 · August 12, 2015

Serial Number 4437452 was reported as accurate.

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

Anonymous · July 8, 2015

Serial Number 4437288 was reported as accurate.

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

geoulri1 Supporter 58 · June 21, 2015

Serial Number 4437452 was reported as accurate.

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

Gimparoo Supporter 703 · April 30, 2015

Serial Number 4437803 was reported as accurate.

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

von1943 361 · December 27, 2014

Serial Number 4437205 was reported as accurate.

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

Anonymous · July 18, 2013

Serial Number 4437404 was reported as accurate.

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

Anonymous · July 24, 2012

Serial Number 4437885 was reported as accurate.

Changes since this report was submitted:
Railroad Grade changed from No to Limited Approval
Illinois Grade 806 Pocket Watch