Pocket Watch Database

From the American Horology Archive:
Illinois Grade 186 Pocket Watch

Illinois Watch Co.

Grade: 186

Ruby Jewels

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 2225011
Grade: 186
Model: 4
Estimated Production Year: 1910
Run Quantity: 200
Grade/Model Run: 19 of 21
Grade/Model Total Production: 2,930
Size: 16s
Jewels: 17j
Jewel Material: Ruby
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Inlay Color: Gilt
Movement Setting: Lever
Plate: 3/4 Bridge Plate
Bridge Type: 3-Finger
Barrel: Going
Center Wheel Material: Gold
Regulator: Micrometric
Hairspring: Breguet
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted # of Positions: 4
Adjusted to Temperature: Yes
Railroad Grade: No
Dial Feet Locations: 24.5, 36.5, 55.5
Case Screw Locations: 18.5, 52.5
Case: Various
Run ID: 6804.186G38.16S1762.164M821.H3429.L5331.17J1811
Database Version: v52.221
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
8.77
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
29.67
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.052%
Registry Population: 2 (1.00%)

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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.


lphwatch 39 · December 22, 2017

Serial Number 2225004 was reported as accurate.

Changes since this report was submitted:
Plate changed from Bridge to 3/4 Bridge
Illinois Grade 186 Pocket Watch