Pocket Watch Database

From the American Horology Archive:
Illinois Grade 185 Pocket Watch

Illinois Watch Co.

Grade: 185

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 1478704
Grade: 185
Model: 4
Estimated Production Year: 1899
Run Quantity: 100
Grade/Model Run: 6 of 70
Grade/Model Total Production: 30,980
Size: 16s
Jewels: 17j
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Bridge Plate
Bridge Type: 3-Finger
Barrel: Going
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: No
Dial Feet Locations: 24.5, 36.5, 55.5
Case Screw Locations: 18.5, 52.5
Case: Various
Run ID: 4016.185G9.16S747.164M328.H2135.L3152.17J690
Database Version: v52.221
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
91.86
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
311.69
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.540%
Registry Population: 1 (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.


Nny528i 5 · January 14, 2015

Serial Number 1478704 was reported as accurate.

Changes since this report was submitted:
Jewels changed from ? to 17j
Plate changed from Bridge to 3/4 Bridge
Illinois Grade 185 Pocket Watch