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: 1516848 Question Mark
Grade: 187 Question Mark
Model: 4 Question Mark
Estimated Production Year: 1900 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 7 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
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Ray Question Mark
Movement Signing Style: Serif Caps Question Mark
Movement Inlay Color: Black Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Bridge Plate Question Mark
Bridge Type: 3-Finger Question Mark
Barrel: Going Question Mark
Regulator: Micrometric 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
Movement Markings: 17 Ruby Jewels
Adjusted
Case: Various Question Mark
Run ID: 4164.187G12.16S803.164M360.H2205.L3300.17J753 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
1 (1.00%) Question Mark

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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.


WLBelkriver33 804 · December 20, 2018

Serial Number 1516837 was reported as accurate.

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

WLBelkriver33 804 · December 20, 2018

Serial Number 1516837 was reported as accurate.

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