Pocket Watch Database


From the American Horology Archive:
Illinois Grade 527 Pocket Watch

Illinois Watch Co.

Grade: 527

Extra Thin.

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 4987074 Question Mark
Grade: 527 Question Mark
Model: 3XT Question Mark
Estimated Production Year: 1927 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 13 of 13 Question Mark
Grade/Model Total Production: 11,600 Question Mark
Size: 12s Question Mark
Jewels: 19j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Double Roller: Yes Question Mark
Barrel: Motor Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: None Question Mark
Case Screw Locations: 5.0, 35.0 Question Mark
Case: Various Question Mark
Run ID: 12223.527G14.12S2080.M55.O6950.P4621.19J772 Question Mark
Database Version: v52.526 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
34.92 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
117.78 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.204% Question Mark
Registry Population:
Scoped for This Run Only
10 (1.00%) Question Mark
$ Estimated Value (12 Month Change): 6.63% Analyzing 67 Sales 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.


tctimepieces Supporter 112 · December 12, 2023

Serial Number 4987074 was reported as accurate.

billreid 143 · July 29, 2023

Serial Number 4987274 was reported as accurate.

Chasteen5 1 · December 7, 2017

Serial Number 4987201 was reported as accurate.

Anonymous · December 7, 2017

Serial Number 4987201 was reported as accurate.

jpugh1157 5 · March 13, 2014

Serial Number 4987023 was reported as accurate.

Illinois Grade 527 Pocket Watch