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: 1659757 Question Mark
Grade: 187 Question Mark
Model: 4 Question Mark
Estimated Production Year: 1903 Question Mark
Run Quantity: 200 Question Mark
Grade/Model Run: 11 of 14 Question Mark
Grade/Model Total Production: 1,610 Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Jewel Material: Ruby Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Bridge Plate Question Mark
Bridge Type: 3-Finger Question Mark
Barrel: Going Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: Yes Question Mark
Dial Feet Locations: 24.5, 36.5, 55.5 Question Mark
Case Screw Locations: 18.5, 52.5 Question Mark
Case: Various Question Mark
Run ID: 4843.187G20.16S1012.164M480.H2522.L3979.17J983 Question Mark
Database Version: v52.450 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
4.84 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
16.26 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.028% Question Mark
Registry Population:
Scoped for This Run Only
5 (2.50%) Question Mark

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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 · May 31, 2024

Serial Number 1659803 was reported as accurate.

2mnyboxers Supporter 408 · November 12, 2022

Serial Number 1659719 was reported as accurate.

2mnyboxers Supporter 408 · September 16, 2022

Serial Number 1659719 was reported as accurate.

MichaelB 150 · March 10, 2017

Serial Number 1659757 was reported as inaccurate.

Note: Movement Serial Number: 1659757=3 finger bridge
Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge

MichaelB 150 · February 15, 2017

Serial Number 1659757 was reported as accurate.

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

Anonymous · July 18, 2014

Serial Number 1659727 was reported as accurate.

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