Pocket Watch Database

From the American Horology Archive:
Illinois Grade 150 Pocket Watch

Illinois Watch Co.

Grade: 150

Plate Is Recessed.

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 511923
Grade: 150
Model: 2
Class: 5
Estimated Production Year: 1884
Run Quantity: 100
Grade/Model Run: 9 of 15
Grade/Model Total Production: 16,250
Size: 8s
Jewels: 11j
Jewel Setting: Burnished Jewels
Movement Configuration: Hunting
Movement Finish: Gilt
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: Going
Regulator: Plain
Hairspring: Flat
Standard Dial Type: Single-Sunk
Adjusted: No
Railroad Grade: No
Dial Feet Locations: 18.0, 40.5, 49.5
Case Screw Locations: 15.0, 45.0
U.S. Patents: 238464
Movement Markings: Illinois Watch Co.
Springfield, Ill.
Patent Pinion
Case: Various
Run ID: 1230.150G9.8S32.82M17.H500.L831.11J656
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
48.92
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
165.04
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.286%
Registry Population: 1 (1.00%)
Research Note: Factory Records Indicate Private Labels in Run.

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Illinois Grade 150 Pocket Watch