Pocket Watch Database


From the American Horology Archive:
Illinois Grade 101 Pocket Watch

Illinois Watch Co.

Grade: 101

Iowa Watch Company

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 233590 Question Mark
Grade: 101 Question Mark
Model: 1 Question Mark
Class: 5 Question Mark
Estimated Production Date: April 1881 - May 1881 Question Mark
Run Quantity: 900 Question Mark
Grade/Model Run: 14 of 26 Question Mark
Grade/Model Total Production: 30,620 Question Mark
Size: 18s Question Mark
Jewels: 11j Question Mark
Jewel Setting: Burnished Jewels Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Key Question Mark
Plate: Full Plate Question Mark
Barrel: Going Question Mark
Balance Type: Expansion Question Mark
Train: Coarse Question Mark
Regulator: Plain Question Mark
Hairspring: Flat Question Mark
Standard Dial Type: Single-Sunk Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 16.5, 36.5, 53.0 Question Mark
Case Screw Locations: O-36.5, H-51.5 Question Mark
Case: Various Question Mark
Run ID: 642.101G66.18S618.181M248.A248.K255.11J337 Question Mark
Database Version: v52.450 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
92.19 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
311.08 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.539% Question Mark
Registry Population:
Scoped for This Run Only
10 (1.11%) 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 · September 18, 2021

Serial Number 233734 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No

Anonymous · March 29, 2020

Serial Number 233661 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No

Anonymous · August 11, 2016

Serial Number 233590 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No

Anonymous · July 10, 2016

Serial Number 233370 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No

Anonymous · September 25, 2014

Serial Number 233417 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No

Anonymous · September 23, 2014

Serial Number 233417 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No
Illinois Grade 101 Pocket Watch