Pocket Watch Database

From the American Horology Archive:

Illinois Watch Co.

Grade: 506

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 2391595
Grade: 506
Model: 4
Estimated Production Year: 1912
Run Quantity: 600
Grade/Model Run: 4 of 22
Grade/Model Total Production: 5,280
Size: 12/14s
Jewels: 17j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Signing Style: Serif (Decorative)
Movement Inlay Color: Gilt
Movement Setting: Pendant
Plate: Bridge Plate
Bridge Type: Center
Double Roller: Yes
Barrel: Going
Regulator: Reed
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Railroad Grade: No
Dial Feet Locations: 20.5, 39.0, 55.0
Case Screw Locations: 2.5, 35.5
Movement Markings: Illinois
17 Jewels
Adjusted
3 Pos.
Double Roller
Case: Various
Run ID: 7472.506G4.S5.M5.O3251.P1298.17J2107
Database Version: v52.407
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
15.89
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
53.56
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.093%
Registry Population:
Scoped for This Run Only
8 (1.33%)

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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.


oilseed Supporter 471 · March 12, 2017

Serial Number 2391539 was reported as inaccurate.

Note: "Double Roller" engraved on mainplate below the
balance wheel.
Also marked "17 Jewels" and "3 pos. Adjusted"
Changes since this report was submitted:
Size changed from 12 to 12/14

Robert18 5 · July 29, 2015

Serial Number 2391018 was reported as inaccurate.

Note: it has 21 jewels...not 17 jewels
Changes since this report was submitted:
Size changed from 12 to 12/14

Anonymous · January 19, 2014

Serial Number 2391253 was reported as accurate.

Changes since this report was submitted:
Size changed from 12 to 12/14