Pocket Watch Database

From the American Horology Archive:
Illinois Grade 179 Pocket Watch

Illinois Watch Co.

Grade: 179

Ruby Jewels

Private Label(s) in Run:

John C. Leppert - Chicago
Chesapeake & Ohio Special

What is a Private Label?
Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 1366593 Question Mark
Grade: 179 Question Mark
Model: 5 Question Mark
Estimated Production Year: 1897 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 6 of 6 Question Mark
Grade/Model Total Production: 600 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Jewel Material: Ruby Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Two-Tone Question Mark
Finish Pattern: Bright-spotted Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Barrel: Going Question Mark
Regulator: Micrometer Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 6 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: Yes Question Mark
Dial Feet Locations: 24.5, 36.5, 55.5 Question Mark
Case Screw Locations: 3.5, 37.5 Question Mark
Case: Various Question Mark
Run ID: 3451.179G11.16S481.165M109.O1106.L2587.21J73 Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1.80 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
6.00 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.011% Question Mark
Registry Population:
Scoped for This Run Only
5 (5.00%) Question Mark

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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.


Durant1 42 · October 15, 2022

Serial Number 1366593 was reported as inaccurate.

Note: Movement is not 2-tone but bright-spotted (fish
scale) Patterned Nickel. Movement is private
labelled "John C. Leppert, 21 Ruby Jeweled,
Adjusted, Safety Pinion.
Curator Response: Thanks for the report. The database has been updated accordingly.

Anonymous · October 23, 2015

Serial Number 1366516 was reported as accurate.

Anonymous · July 23, 2014

Serial Number 1366524 was reported as accurate.

TimeAntiquarian Founder Research Expert Historian Top Contributor Supporter 171 · April 23, 2014

Serial Number 1366586 was reported as accurate.

Anonymous · August 27, 2013

Serial Number 1366593 was reported as inaccurate.

Note: 3/4 plate Getty model, but private label; plain
dial; no mention of RR designation. "Adjusted"
only on movement.
Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone
Illinois Grade 179 Pocket Watch