Pocket Watch Database

From the American Horology Archive:
Illinois Grade 185 Pocket Watch

Illinois Watch Co.

Grade: 185

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 2058361
Grade: 185
Model: 5
Estimated Production Year: 1908
Run Quantity: 500
Grade/Model Total Production: 25,360
Size: 16s
Jewels: 19j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Bridge Plate
Bridge Type: 3-Finger
Barrel: Going
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: No
Dial Feet Locations: 24.5, 36.5, 55.5
Case Screw Locations: 3.5, 37.5
Case: Various
Registry Population: 3 (0.60%)
Database Version: v49.716

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 2058673 #313 Inferred
2 2058701 #341 Marketplace March 19, 2015
3 2058762 #402 Marketplace July 06, 2014
Standard Deviation of Known Examples: 45.51 (Expected: 144.48, Δ98.97/19.79%)

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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 · March 8, 2022

Serial Number 2058500 was reported as accurate.

Anonymous · February 24, 2021

Serial Number 2058831 was reported as accurate.

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

Anonymous · August 27, 2020

Serial Number 2058476 was reported as accurate.

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

AWeber62 97 · May 10, 2019

Serial Number 2058731 was reported as accurate.

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

Anonymous · May 9, 2015

Serial Number 2058814 was reported as accurate.

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

Anonymous · January 28, 2015

Serial Number 2058735 was reported as accurate.

Changes since this report was submitted:
Plate changed from Bridge to 3/4 Bridge
Illinois Grade 185 Pocket Watch