Pocket Watch Database


From the American Horology Archive:
Illinois Grade 105 Pocket Watch

Illinois Watch Co.

Grade: 105

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 501181 Question Mark
Grade: 105 Question Mark
Model: 3 Question Mark
Class: 1 Question Mark
Estimated Production Year: 1884 Question Mark
Run Quantity: 200 Question Mark
Grade/Model Run: 3 of 3 Question Mark
Grade/Model Total Production: 350 Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Jewel Material: Ruby Question Mark
Jewel Setting: Gold Settings (Screw-Set) Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Signing Style: Gothic Blackletter Question Mark
Movement Inlay Color: Gilt Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Barrel: Going Question Mark
Train: Coarse Question Mark
Regulator: Wheeler Question Mark
Hairspring: Breguet Question Mark
Standard Dial Type: Double-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 1.5, 21.5, 38.0 Question Mark
Case Screw Locations: 23.5, 51.5 Question Mark
Movement Markings: Illinois Watch Co.
Springfield, Ill.
Adjusted
Patent Pinion
Case: Various Question Mark
Run ID: 1177.105G6.18S1143.183M327.O328.L783.17J58 Question Mark
Database Version: v52.518 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1.05 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
3.46 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.006% Question Mark
Registry Population:
Scoped for This Run Only
4 (2.00%) Question Mark
Research Note: #501155 Verified as Model 2 Grade 105 with 15 Jewels [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 · April 3, 2023

Serial Number 501155 was reported as inaccurate.

Note: I own the Illinois model 105 serial # 501155 who's
reference was sent to you by the NAWCC. Your
database states that it is a model 3 while the
NAWCC says model 2. This is a hunter movement if
that matters. I can provide photos if that would
help. You've got a great database.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · March 6, 2023

Serial Number 501155 was reported as accurate.

Anonymous · March 1, 2018

Serial Number 501155 was reported as accurate.

Illinois Grade 105 Pocket Watch