Pocket Watch Database

From the American Horology Archive:

Illinois Watch Co.

Grade: 510

Diamond, Ruby & Saphire Jewels.

Private Label(s) in Run:

Ariston

What is a Private Label?
Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 2386741
Grade: 510
Model: 4
Estimated Production Year: 1911
Run Quantity: 20
Grade/Model Run: 1 of 7
Grade/Model Total Production: 253
Size: 12/14s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Raised Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Inlay Color: Gilt
Movement Setting: Pendant
Plate: Bridge Plate
Bridge Type: Center
Double Roller: Yes
Barrel: Going
Train Material: Gold
Center Wheel Material: Gold
Regulator: Reed
Hairspring: Breguet
Pallet Jewel Material: Ruby
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: No
Dial Feet Locations: 20.5, 39.0, 55.0
Case Screw Locations: 2.5, 35.5
Case: Various
Run ID: 7462.510G1.S3.M3.O3246.P1288.21J480
Database Version: v52.270
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
0.76
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.47
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.004%
Registry Population: 1 (5.00%)

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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.


ralph1 107 · October 12, 2023

Serial Number 2386755 was reported as inaccurate.

Note: 23j must be a mixed run?
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · February 23, 2023

Serial Number 2386748 was reported as inaccurate.

Note: 21j hunter
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Size changed from 12 to 12/14
Jewels changed from 23j to 21j

Anonymous · October 11, 2019

Serial Number 2386748 was reported as inaccurate.

Note: Mine is a 21 Jewel, Hunter Cased watch with gold
train.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Size changed from 12 to 12/14
Jewels changed from 23j to 21j