Pocket Watch Database

From the American Horology Archive:
Illinois Grade 306 Pocket Watch

Illinois Watch Co.

Grade: 306

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 3990701
Grade: 306
Model: 7
Estimated Production Year: 1922
Run Quantity: 300
Grade/Model Run: 109 of 122
Grade/Model Total Production: 37,800
Size: 16s
Jewels: 19j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Double Roller: Yes
Barrel: Going
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Railroad Grade: No
Dial Feet Locations: 17.5, 39.0, 58.0
Case Screw Locations: 3.0, 38.0
Case: Various
Run ID: 11317.306G145.16S3609.167M630.O6099.P3996.19J624
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
112.87
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
383.03
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.663%
Registry Population: 6 (2.00%)

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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.


Anonymous · February 10, 2024

Serial Number 3990610 was reported as accurate.

watchman4831 193 · June 18, 2017

Serial Number 3990636 was reported as accurate.

Anonymous · February 28, 2014

Serial Number 3990701 was reported as inaccurate.

Note: Hunter, not openface.
Illinois Grade 306 Pocket Watch