Pocket Watch Database

From the American Horology Archive:
Illinois Grade 187 Pocket Watch

Illinois Watch Co.

Grade: 187

Ruby Jewels

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 1475980
Grade: 187
Model: 4
Estimated Production Year: 1899
Run Quantity: 100
Grade/Model Run: 5 of 14
Grade/Model Total Production: 1,610
Size: 16s
Jewels: 17j
Jewel Material: Ruby
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: Going
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: Yes
Dial Feet Locations: 24.5, 36.5, 55.5
Case Screw Locations: 18.5, 52.5
Case: Various
Run ID: 4003.187G8.16S734.164M316.H2123.L3139.17J683
Database Version: v52.354
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
4.84
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
16.26
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.028%
Registry Population: 4 (4.00%)

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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 16, 2021

Serial Number 1475918 was reported as accurate.

Anonymous · July 31, 2017

Serial Number 1475980 was reported as accurate.

Gasperoff Supporter 727 · August 20, 2015

Serial Number 1475985 was reported as accurate.

Anonymous · February 20, 2015

Serial Number 1475981 was reported as accurate.

Anonymous · May 30, 2012

Serial Number 1475977 was reported as accurate.

Illinois Grade 187 Pocket Watch