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: 2207315
Grade: 306
Model: 7
Estimated Production Year: 1909
Run Quantity: 20
Grade/Model Run: 1 of 122
Grade/Model Total Production: 37,800
Size: 16s
Jewels: 17j
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: 6744.306G2.16S1727.167M7.O2803.P901.17J1788
Database Version: v52.245
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
383.03
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.663%
Registry Population: 2 (10.00%)
$ Estimated Value (12 Month Change): -2.33% Analyzing 60 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.


Durant1 39 · October 26, 2022

Serial Number 2207315 was reported as inaccurate.

Note: Private Label Marked Pennsylvania Special, and it
is a Bridge sale Movement, not 3/4 Plate
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · March 26, 2014

Serial Number 2207306 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Illinois Grade 306 Pocket Watch