Pocket Watch Database

From the American Horology Archive:
Illinois Grade Columbia Pocket Watch

Illinois Watch Co.

Grade: Columbia

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 421404
Grade: Columbia
Model: 2
Estimated Production Date: June 1882
Run Quantity: 400
Grade/Model Run: 49 of 51
Grade/Model Total Production: 18,150
Variant Est. Production: 16,850 (18S-M2-11J-HGL)
Size: 18s
Jewels: 11j
Jewel Setting: Pressed/Friction Settings
Movement Configuration: Hunting
Movement Finish: Gilt
Movement Signing Style: Formal Script
Movement Inlay Color: None
Movement Setting: Lever
Plate: Full Plate
Barrel: Going
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: 23.5, 51.5
Movement Markings: Columbia
Springfield, Ill.
Patent Pinion
Case: Various
Run ID: 1068.G150.18S1042.182M403.H423.L720.11J576
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
54.64
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
184.35
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.319%
Registry Population: 3 (0.75%)

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Illinois Grade Columbia Pocket Watch