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
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 1366593
Grade: 179
Model: 5
Estimated Production Year: 1897
Run Quantity: 100
Grade/Model Run: 6 of 6
Grade/Model Total Production: 600
Size: 16s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Two-Tone
Finish Pattern: Bright-spotted
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: Going
Regulator: Micrometer
Adjusted: Yes
Adjusted # of Positions: 6
Adjusted to Temperature: Yes
Railroad Grade: Yes
Dial Feet Locations: 24.5, 36.5, 55.5
Case Screw Locations: 3.5, 37.5
Case: Various
Run ID: 3451.179G11.16S481.165M109.O1105.L2587.21J73
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1.80
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
6.00
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.011%
Registry Population: 5 (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.


Durant1 39 · 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