Pocket Watch Database

From the American Horology Archive:
Illinois Grade 178 Pocket Watch

Illinois Watch Co.

Grade: 178

Ruby Jewels

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 1370292
Grade: 178
Model: 4
Estimated Production Year: 1897
Run Quantity: 100
Grade/Model Run: 2 of 2
Grade/Model Total Production: 150
Size: 16s
Jewels: 17j
Jewel Material: Ruby
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Nickel
Finish Pattern: Radial
Movement Signing Style: Serif (Decorative)
Movement Inlay Color: Black
Movement Setting: Lever
Plate: 3/4 Bridge Plate
Bridge Type: 3-Finger
Barrel: Going
Regulator: Micrometric
Adjusted: Yes
Adjusted # of Positions: 6
Adjusted to Temperature: Yes
Railroad Grade: Yes
Dial Feet Locations: 24.5, 36.5, 55.5
Case Screw Locations: 18.5, 52.5
Movement Markings: 17 Ruby Jewels
Adjusted
Safety Pinion
Case: Various
Run ID: 3467.178G3.16S497.164M171.H1823.L2603.17J482
Database Version: v52.246
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
0.45
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.42
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.003%
Registry Population: 2 (2.00%)

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Illinois Grade 178 Pocket Watch