Pocket Watch Database

From the American Horology Archive:
Illinois Grade 437 Pocket Watch

Illinois Watch Co.

Grade: 437

Extra Thin.

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 3650289
Grade: 437
Model: 1XT
Estimated Production Year: 1920
Run Quantity: 400
Grade/Model Run: 5 of 8
Grade/Model Total Production: 2,060
Size: 12s
Jewels: 19j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Bridge Type: Center
Barrel: Motor
Adjusted: Yes
Adjusted to Temperature: Yes
Railroad Grade: No
Dial Feet Locations: None
Case Screw Locations: 5.0, 35.0
Case: Various
Run ID: 10878.437G5.12S1464.M15.O5733.P3686.19J525
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.20
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
20.83
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.036%
Registry Population: 3 (0.75%)

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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.


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

Serial Number 3650230 was reported as inaccurate.

Note: The grade 437 is a 12-size XT 1st model
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Size changed from 13 to 12
Factory Model changed from 1 to 1XT

ralph1 105 · January 22, 2021

Serial Number 3650289 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Size changed from 13 to 12
Factory Model changed from 1 to 1XT

packref 9 · November 13, 2020

Serial Number 3650215 was reported as accurate.

Changes since this report was submitted:
Size changed from 13 to 12
Factory Model changed from 1 to 1XT

Anonymous · November 9, 2020

Serial Number 3650292 was reported as accurate.

Changes since this report was submitted:
Size changed from 13 to 12
Factory Model changed from 1 to 1XT

Anonymous · April 29, 2020

Serial Number 3650515 was reported as accurate.

Changes since this report was submitted:
Size changed from 13 to 12
Factory Model changed from 1 to 1XT

Anonymous · January 20, 2014

Serial Number 3650467 was reported as accurate.

Changes since this report was submitted:
Size changed from 13 to 12
Factory Model changed from 1 to 1XT

TimeAntiquarian Founder Research Expert Historian Top Contributor Supporter 171 · July 30, 2013

Serial Number 3650201 was reported as accurate.

Changes since this report was submitted:
Size changed from 13 to 12
Factory Model changed from 1 to 1XT

Anonymous · November 20, 2012

Serial Number 3650255 was reported as inaccurate.

Note: Mine has 19 jewels. Does not match a movement I
found so far. For more information you can contact
me at dronden(at)gmail
Changes since this report was submitted:
Grade changed from 539 to 437
Size changed from 13 to 12
Jewels changed from 21j to 19j
Factory Model changed from 1 to 1XT
Illinois Grade 437 Pocket Watch