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: 4327879
Grade: 806
Model: 9
Estimated Production Year: 1923
Run Quantity: 2,000
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: No
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: 32 (1.60%)
Database Version: v49.391

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 4327073 #73 Marketplace March 18, 2021
2 4327154 #154 Collection September 09, 2015
3 4327156 #156 Marketplace October 13, 2019
4 4327163 #163 Collection April 27, 2014
5 4327227 #227 Marketplace November 29, 2014
6 4327335 #335 Marketplace August 06, 2020
7 4327408 #408 Collection February 10, 2022
8 4327530 #530 Collection February 15, 2018
9 4327683 #683 Marketplace February 16, 2014
10 4327695 #695 Marketplace April 20, 2015
11 4327725 #725 Collection July 08, 2015
12 4327731 #731 Marketplace April 25, 2020
13 4327799 #799 Marketplace October 02, 2016
14 4327879 #879 Collection February 02, 2018
15 4327943 #943 Marketplace April 21, 2021
16 4328016 #1016 Marketplace May 09, 2014
17 4328017 #1017 Marketplace March 19, 2019
18 4328058 #1058 Collection August 15, 2020
19 4328235 #1235 Marketplace January 16, 2019
20 4328251 #1251 Marketplace June 16, 2018
21 4328307 #1307 Marketplace August 24, 2013
22 4328323 #1323 Marketplace January 27, 2013
23 4328388 #1388 Collection December 12, 2015
24 4328423 #1423 Inferred
25 4328510 #1510 Marketplace June 06, 2013
26 4328635 #1635 Collection November 29, 2019
27 4328750 #1750 Inferred
28 4328791 #1791 Marketplace March 14, 2014
29 4328798 #1798 Marketplace May 31, 2013
30 4328860 #1860 Inferred
31 4328938 #1938 Marketplace June 13, 2019
32 4328939 #1939 Inferred
Standard Deviation of Known Examples: 585.34 (Expected: 577.49, Δ7.85/0.39%)

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

4327001
Verification Serial Map
4329000

Anonymous · November 9, 2022

Serial Number 4327929 was reported as accurate.

rand63 Supporter 9 · July 10, 2021

Serial Number 4327100 was reported as accurate.

Anonymous · April 20, 2021

Serial Number 4327100 was reported as accurate.

Marts487 1 · March 30, 2021

Serial Number 4328579 was reported as accurate.

Anonymous · January 25, 2020

Serial Number 4327714 was reported as accurate.

tomkingtx 14 · November 29, 2019

Serial Number 4328635 was reported as accurate.

Anonymous · November 26, 2019

Serial Number 4328635 was reported as accurate.

Anonymous · November 3, 2019

Serial Number 4328520 was reported as accurate.

Anonymous · October 20, 2019

Serial Number 4327156 was reported as accurate.

Anonymous · January 29, 2019

Serial Number 4328235 was reported as accurate.

Access 1 · November 11, 2018

Serial Number 4328654 was reported as accurate.

Kevin H 84 · February 15, 2018

Serial Number 4327530 was reported as accurate.

Mobilaero Top Contributor Supporter 271 · February 2, 2018

Serial Number 4327879 was reported as accurate.

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

odiekyle66 77 · January 6, 2018

Serial Number 4327695 was reported as accurate.

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

timerestored 278 · August 28, 2017

Serial Number 4327786 was reported as accurate.

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

sanjosetom 301 · June 3, 2017

Serial Number 4328651 was reported as accurate.

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

Anonymous · March 19, 2017

Serial Number 4327027 was reported as accurate.

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

Anonymous · October 18, 2016

Serial Number 4327309 was reported as accurate.

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

oilseed Supporter 468 · October 5, 2016

Serial Number 4327799 was reported as accurate.

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

Anonymous · June 13, 2016

Serial Number 4328899 was reported as accurate.

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

Anonymous · June 3, 2016

Serial Number 4328899 was reported as accurate.

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

Anonymous · March 7, 2016

Serial Number 4327695 was reported as accurate.

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

Anonymous · August 26, 2015

Serial Number 4328780 was reported as accurate.

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

Anonymous · July 20, 2015

Serial Number 4328467 was reported as accurate.

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

BMarrs0756 9 · May 7, 2015

Serial Number 4327443 was reported as accurate.

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

BMarrs0756 9 · May 7, 2015

Serial Number 4327443 was reported as accurate.

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

Anonymous · April 21, 2015

Serial Number 4328467 was reported as accurate.

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

Anonymous · November 29, 2014

Serial Number 4327227 was reported as accurate.

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

Anonymous · November 26, 2014

Serial Number 4327464 was reported as accurate.

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

Anonymous · October 8, 2014

Serial Number 4328323 was reported as accurate.

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

Anonymous · September 20, 2014

Serial Number 4328543 was reported as accurate.

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

visteo 60 · August 7, 2014

Serial Number 4327464 was reported as inaccurate.

Note: Adjusted to 3 positions - also see member pictures
this page...3 positions when marked.
Changes since this report was submitted:
Adjusted # Positions changed from 5 to 3
Railroad Grade changed from Yes to No

Anonymous · April 18, 2014

Serial Number 4327154 was reported as accurate.

Changes since this report was submitted:
Adjusted # Positions changed from 5 to 3
Railroad Grade changed from Yes to No

Anonymous · January 20, 2014

Serial Number 4327179 was reported as inaccurate.

Note: Adjusted to 3 positions
Changes since this report was submitted:
Adjusted # Positions changed from 5 to 3
Railroad Grade changed from Yes to No

Anonymous · December 12, 2013

Serial Number 4328780 was reported as accurate.

Changes since this report was submitted:
Adjusted # Positions changed from 5 to 3
Railroad Grade changed from Yes to No

Anonymous · July 21, 2013

Serial Number 4327258 was reported as inaccurate.

Note: Adjusted to 3 positions
Changes since this report was submitted:
Adjusted # Positions changed from 5 to 3
Railroad Grade changed from Yes to No

Anonymous · March 13, 2013

Serial Number 4327112 was reported as accurate.

Changes since this report was submitted:
Adjusted # Positions changed from 5 to 3
Railroad Grade changed from Yes to No

Anonymous · February 10, 2013

Serial Number 4328679 was reported as accurate.

Changes since this report was submitted:
Adjusted # Positions changed from 5 to 3
Railroad Grade changed from Yes to No

Anonymous · January 19, 2013

Serial Number 4327386 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Adjusted # Positions changed from 5 to 3
Railroad Grade changed from Yes to No

Anonymous · November 30, 2012

Serial Number 4328741 was reported as inaccurate.

Note: Adjusted to position and temperature is 5
positions. Grade is RR Approved by earlier RR
grade standards.
Illinois Grade 806 Pocket Watch