Pocket Watch Database

From the American Horology Archive:
Illinois Grade 306 Pocket Watch

Illinois Watch Co.

Grade: 306

Private Label(s) in Run:

Illinois Central

What is a Private Label?
Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 2506035
Grade: 306
Model: 6
Estimated Production Year: 1913
Run Quantity: 600
Grade/Model Run: 12 of 32
Grade/Model Total Production: 5,330
Size: 16s
Jewels: 17j
Movement Configuration: Hunting
Movement Finish: Two-Tone
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: 18.0, 53.0
Case: Various
Run ID: 7903.306G34.16S2186.166M80.H3837.P1558.17J2290
Database Version: v52.260
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
16.04
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
54.07
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.094%
Registry Population: 4 (0.67%)
Research Note: #2505887 Verified as Two-Tone with "Illinois Central" marked on movement and dial [NAWCC]

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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 · June 24, 2022

Serial Number 2505869 was reported as accurate.

texnet 684 · August 23, 2020

Serial Number 2506035 was reported as accurate.

Anonymous · February 28, 2017

Serial Number 2505805 was reported as inaccurate.

Note: Hunter movement, not open face. Cheers. duffy l.
Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting
Movement Finish changed from Nickel to Two-Tone
Plate changed from 3/4 to Bridge

Anonymous · May 7, 2015

Serial Number 2505880 was reported as inaccurate.

Note: Hunting case, not open face.
Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting
Movement Finish changed from Nickel to Two-Tone
Plate changed from 3/4 to Bridge

Anonymous · February 14, 2014

Serial Number 2505711 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting
Movement Finish changed from Nickel to Two-Tone
Plate changed from 3/4 to Bridge

Anonymous · February 14, 2014

Serial Number 2505711 was reported as inaccurate.

Note: This is a hunting case movement.
Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting
Movement Finish changed from Nickel to Two-Tone
Plate changed from 3/4 to Bridge
Illinois Grade 306 Pocket Watch