Pocket Watch Database

From the American Horology Archive:
Illinois Grade 706 Pocket Watch

Illinois Watch Co.

Grade: 706

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 4078684
Grade: 706
Variation: Capitol
Model: 9
Estimated Production Year: 1922
Run Quantity: 1,000
Total Production: 79,625
Size: 16s
Jewels: 19j
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 # of Positions: 3
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: No
Dial Feet Locations: 17.5, 39.0, 58.0
Case Screw Locations: 3.0, 38.0
Case: Various
Registry Population: 9 (0.90%)
Database Version: v49.391

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 4078004 #4 Marketplace May 03, 2015
2 4078435 #435 Collection October 01, 2022
3 4078520 #520 Marketplace September 10, 2015
4 4078557 #557 Marketplace November 28, 2019
5 4078586 #586 Marketplace June 14, 2017
6 4078610 #610 Marketplace March 28, 2017
7 4078684 #684 Collection June 06, 2019
8 4078712 #712 Marketplace November 02, 2021
9 4078874 #874 Marketplace May 13, 2019
Standard Deviation of Known Examples: 241.41 (Expected: 288.82, Δ47.40/4.74%)

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Data Verification Reports

4078001
Verification Serial Map
4079000

Anonymous · December 28, 2020

Serial Number 4078562 was reported as accurate.

Anonymous · December 28, 2019

Serial Number 4078623 was reported as accurate.

Anonymous · November 14, 2019

Serial Number 4078518 was reported as inaccurate.

Note: My variation is marked Elbros

avpalermo Supporter 426 · June 30, 2019

Serial Number 4078684 was reported as accurate.

avpalermo Supporter 426 · June 14, 2019

Serial Number 4078684 was reported as accurate.

Anonymous · May 22, 2018

Serial Number 4078365 was reported as inaccurate.

Note: 3 adjusted #of positions
capital illinois watch co springfield
Changes since this report was submitted:
Adjusted # Positions changed from 4 to 3

Anonymous · March 5, 2018

Serial Number 4078348 was reported as accurate.

Changes since this report was submitted:
Adjusted # Positions changed from 4 to 3

Anonymous · August 19, 2016

Serial Number 4078459 was reported as accurate.

Changes since this report was submitted:
Adjusted # Positions changed from 4 to 3

Anonymous · January 20, 2016

Serial Number 4078536 was reported as accurate.

Changes since this report was submitted:
Adjusted # Positions changed from 4 to 3

Anonymous · February 28, 2014

Serial Number 4078664 was reported as accurate.

Changes since this report was submitted:
Adjusted # Positions changed from 4 to 3
Plate changed from 3/4 to Bridge

Anonymous · April 23, 2013

Serial Number 4078177 was reported as accurate.

Changes since this report was submitted:
Adjusted # Positions changed from 4 to 3
Plate changed from 3/4 to Bridge
Illinois Grade 706 Pocket Watch