Pocket Watch Database

From the American Horology Archive:
Illinois Grade Mason Pocket Watch

Illinois Watch Co.

Grade: Mason

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 31601
Grade: Mason
Model: 1
Estimated Production Date: March 1875
Run Quantity: 1,000
Grade/Model Run: 10 of 16
Grade/Model Total Production: 10,300
Size: 18s
Jewels: 7j
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Barrel: Going
Balance Type: Uncut Expansion
Train: Coarse
Regulator: Plain
Hairspring: Flat
Standard Dial Type: Single-Sunk
Adjusted: No
Railroad Grade: No
Dial Feet Locations: 16.5, 36.5, 53.0
Case Screw Locations: O-36.5, H-51.5
Movement Markings: Mason
Springfield, Ill.
Patent Pinion
Case: Various
Run ID: 38.G10.18S38.181M38.A38.K38.7J10
Database Version: v52.167
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
30.84
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
104.57
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.181%
Registry Population: 2 (0.20%)

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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, 2019

Serial Number 31291 was reported as accurate.

produceclerk1973 1 · June 4, 2014

Serial Number 031817 was reported as accurate.

Illinois Grade Mason Pocket Watch