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: 2969976
Grade: 306
Model: 9
Estimated Production Year: 1916
Run Quantity: 200
Grade/Model Run: 3 of 3
Grade/Model Total Production: 700
Size: 16s
Jewels: 19j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge 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: 9472.306G63.16S2771.169M216.O4623.P2687.19J360
Database Version: v52.246
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
2.10
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
7.01
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.012%
Registry Population: 5 (2.50%)

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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 · April 15, 2017

Serial Number 2969809 was reported as accurate.

Anonymous · April 4, 2016

Serial Number 2969912 was reported as inaccurate.

Note: Diplomat, 19 jewels, gold screws and regulator
Changes since this report was submitted:
Jewels changed from 17j to 19j
Plate changed from 3/4 to Bridge

Anonymous · December 29, 2014

Serial Number 2969880 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 17j to 19j
Plate changed from 3/4 to Bridge
Illinois Grade 306 Pocket Watch