Pocket Watch Database


From the American Horology Archive:
Illinois Grade 305 Pocket Watch
Illinois Grade 305 Pocket Watch

Illinois Watch Co.

Grade: 305

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 4086340 Question Mark
Grade: 305 Question Mark
Model: 7 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
Movement Configuration: Openface Question Mark
Movement Finish: Two-Tone Question Mark
Movement Signing Style: Members Only Data Question Mark
Movement Inlay Color: Members Only Data Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Double Roller: Yes Question Mark
Barrel: Going Question Mark
Adjusted: Members Only Data Question Mark
Adjusted to Temperature: 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
Movement Markings: Members Only Data
Case: Various Question Mark
Run ID: 11439.305G152.16S3663.167M647.O6203.P4084.17J3771 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
6 (0.75%) Question Mark
12 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, Movement Signing Style, Movement Inlay Color, Adjustments, Temperature Adjustments, Railroad Grade Designation, Dial Feet Locations, Case Screw Locations, Movement Markings

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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 · April 19, 2021

Serial Number 4086856 was reported as accurate.

Anonymous · January 4, 2021

Serial Number 4086300 was reported as accurate.

Anonymous · June 30, 2019

Serial Number 4086540 was reported as accurate.

Anonymous · November 10, 2018

Serial Number 4086273 was reported as accurate.

Deere51 102 · February 12, 2018

Serial Number 4086340 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · September 3, 2017

Serial Number 4086330 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Yellowtail420 Supporter 105 · June 2, 2015

Serial Number 4086875 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · January 18, 2015

Serial Number 4086955 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

RondoTom 64 · May 22, 2014

Serial Number 4086507 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone
Plate changed from 3/4 to Bridge

RondoTom 64 · May 22, 2014

Serial Number 4086507 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone
Plate changed from 3/4 to Bridge

Anonymous · September 27, 2013

Serial Number 4086507 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone
Plate changed from 3/4 to Bridge
Illinois Grade 305 Pocket Watch
Illinois Grade 305 Pocket Watch