Pocket Watch Database

From the American Horology Archive:
Illinois Grade 437 Pocket Watch

Illinois Watch Co.

Grade: 437

Extra Thin.

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 3761573 Question Mark
Grade: 437 Question Mark
Model: 1XT Question Mark
Estimated Production Year: 1920 Question Mark
Run Quantity: 400 Question Mark
Grade/Model Run: 6 of 8 Question Mark
Grade/Model Total Production: 2,060 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: Bridge Plate Question Mark
Bridge Type: Center Question Mark
Barrel: Motor Question Mark
Adjusted: Yes 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: 11063.437G6.12S1532.M18.O5890.P3815.19J564 Question Mark
Database Version: v52.528 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.20 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
20.83 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.036% Question Mark
Registry Population:
Scoped for This Run Only
5 (1.25%) 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.


Anonymous · July 29, 2022

Serial Number 3761724 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · May 24, 2021

Serial Number 3761550 was reported as inaccurate.

Note: My production count for the grade 437 is 2,060
Curator Response: Thanks for the report. Once I corrected the size designation on the other run, the estimated production adjusted to the expected 2,060 figure.

ralph1 113 · October 18, 2020

Serial Number 3761573 was reported as accurate.

Anonymous · July 29, 2017

Serial Number 3761776 was reported as accurate.

Anonymous · March 4, 2017

Serial Number 3761597 was reported as accurate.

Anonymous · February 20, 2016

Serial Number 3761693 was reported as accurate.

Anonymous · January 22, 2016

Serial Number 3761693 was reported as accurate.

Anonymous · October 9, 2014

Serial Number 3761490 was reported as accurate.

cmdraven 4083 · June 20, 2013

Serial Number 3761708 was reported as accurate.

Illinois Grade 437 Pocket Watch