Pocket Watch Database

From the American Horology Archive:
Illinois Grade 187 Pocket Watch

Illinois Watch Co.

Grade: 187

Ruby Jewels

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 2487544 Question Mark
Grade: 187 Question Mark
Model: 5 Question Mark
Estimated Production Year: Members Only Data Question Mark
Run Quantity: Members Only Data Question Mark
Grade/Model Run: Members Only Data Question Mark
Grade/Model Total Production: Members Only Data Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Jewel Material: Members Only Data Question Mark
Jewel Setting: Members Only Data Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Signing Style: Members Only Data Question Mark
Movement Inlay Color: Members Only Data Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Bridge Plate Question Mark
Bridge Type: 3-Finger Question Mark
Double Roller: Yes Question Mark
Barrel: Going Question Mark
Regulator: Members Only Data Question Mark
Adjusted: Members Only Data Question Mark
Adjusted # of Positions: Members Only Data Question Mark
Adjusted to Temperature: Members Only Data Question Mark
Adjusted to Isochronism: Members Only Data Question Mark
Railroad Grade: Members Only Data Question Mark
Dial Feet Locations: Members Only Data Question Mark
Case Screw Locations: Members Only Data Question Mark
Case: Various Question Mark
Run ID: 7844.187G29.16S2170.165M855.O3490.L5782.17J2270 Question Mark
Database Version: v52.642 Question Mark
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population:
Scoped for This Run Only
18 (3.60%) Question Mark
16 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Jewel Material, Jewel Setting, Movement Signing Style, Movement Inlay Color, Regulator Type, Adjustments, Positional Adjustments, Temperature Adjustments, Isochronism Adjustments, Railroad Grade Designation, Dial Feet Locations, Case Screw Locations

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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.


Anonymous · February 28, 2023

Serial Number 2487237 was reported as accurate.

cmdraven 4123 · August 16, 2022

Serial Number 2487122 was reported as accurate.

Anonymous · April 19, 2021

Serial Number 2487290 was reported as accurate.

Anonymous · July 23, 2020

Serial Number 2487503 was reported as accurate.

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

Anonymous · August 19, 2018

Serial Number 2487469 was reported as accurate.

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

pmkid24 6 · August 25, 2017

Serial Number 2487261 was reported as accurate.

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

Anonymous · June 17, 2017

Serial Number 2487165 was reported as accurate.

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

Anonymous · February 22, 2017

Serial Number 2487561 was reported as accurate.

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

Anonymous · October 3, 2015

Serial Number 2487561 was reported as accurate.

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

TimeAntiquarian Founder Research Expert Historian Top Contributor Supporter 171 · August 25, 2015

Serial Number 2487241 was reported as accurate.

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

TimeAntiquarian Founder Research Expert Historian Top Contributor Supporter 171 · August 25, 2015

Serial Number 2487241 was reported as accurate.

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

TimeAntiquarian Founder Research Expert Historian Top Contributor Supporter 171 · August 25, 2015

Serial Number 2487241 was reported as accurate.

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

Anonymous · January 19, 2015

Serial Number 2487349 was reported as accurate.

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

Anonymous · October 30, 2014

Serial Number 2487432 was reported as accurate.

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

Anonymous · June 3, 2013

Serial Number 2487599 was reported as accurate.

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

Anonymous · April 18, 2013

Serial Number 2487501 was reported as accurate.

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

Anonymous · November 25, 2012

Serial Number 2487275 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge
Illinois Grade 187 Pocket Watch