Pocket Watch Database

From the American Horology Archive:
Illinois Grade 61 Pocket Watch

Illinois Watch Co.

Grade: 61

Movement may alternatively contain 15 jewels.

Private Label(s) in Run:

T.M. Roberts Special - Minneapolis

What is a Private Label?
Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 1334225 Question Mark
Grade: 61 Question Mark
Model: 5 Question Mark
Estimated Production Year: 1896 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 17 of 117 Question Mark
Grade/Model Total Production: 12,794 Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Barrel: Going Question Mark
Train: Fast Question Mark
Regulator: Patent Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 16.5, 36.5, 53.0 Question Mark
Case Screw Locations: 23.5, 51.5 Question Mark
Case: Various Question Mark
Run ID: 3308.61G122.18S2355.185M105.H1737.L2444.17J420 Question Mark
Database Version: v52.445 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
37.91 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
127.89 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.222% Question Mark
Registry Population:
Scoped for This Run Only
1 (1.00%) Question Mark
Research Note: #1334225: Verified as 17-Jewel Private Label for "T.M. Roberts Special - Minneapolis" and Marked "Adjusted."

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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.


TerryfromCanada Supporter 486 · August 10, 2023

Serial Number 1334225 was reported as inaccurate.

Note: Hi. My watch is signed T. M. Roberts on the dial
and repeats as The T.M. Roberts Special,
Minneapolis on the movement. It is engraved
'Adjusted' (and 17 Jewels). Everything else
matches some of the other watches pictured on this
page.
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.

Anonymous · June 30, 2014

Serial Number 1334249 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No
Railroad Grade changed from Yes to No

Anonymous · October 5, 2013

Serial Number 1334228 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No
Railroad Grade changed from Yes to No
Illinois Grade 61 Pocket Watch