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: 3098552
Grade: 306
Model: 7
Estimated Production Year: 1917
Run Quantity: 1,000
Grade/Model Run: 49 of 122
Grade/Model Total Production: 37,800
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: 9717.306G71.16S2878.167M373.O4805.P2865.19J374
Database Version: v52.304
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
113.50
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
390.57
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.663%
Registry Population: 9 (0.90%)
$ Estimated Value (12 Month Change): -9.09% Analyzing 204 Sales

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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 · March 3, 2024

Serial Number 3098028 was reported as accurate.

Anonymous · March 10, 2023

Serial Number 3098285 was reported as accurate.

Anonymous · September 23, 2019

Serial Number 3098759 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

dwhita 56 · June 29, 2018

Serial Number 3098645 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · June 20, 2018

Serial Number 3098176 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · July 23, 2016

Serial Number 3098149 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · November 11, 2014

Serial Number 3098385 was reported as accurate.

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