Pocket Watch Database

From the American Horology Archive:
Illinois Grade Stuart Pocket Watch

Illinois Watch Co.

Grade: Stuart

Mixed Run: Model 2 (15-Jewel) and Model 3 (17-Jewel) Movements

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 51643
Grade: Stuart
Model: 2
Estimated Production Date: November 1878 - November 1879
Run Quantity: 150
Grade/Model Run: 2 of 12
Grade/Model Total Production: 1,790
Size: 18s
Jewels: 15j    Mixed Run
Movement Configuration: Hunting
Movement Finish: Gilt
Movement Setting: Lever
Plate: Full Plate
Barrel: Going
Balance Type: Expansion
Train: Coarse
Regulator: Plain
Hairspring: Flat
Adjusted: Yes
Adjusted to Position: No
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Railroad Grade Classification: Class C
Dial Feet Locations: 16.5, 36.5, 53.0
Case Screw Locations: 23.5, 51.5
Movement Markings: Stuart.
Springfield, Ill.
Patent Pinion
["Wheelers Pat.6.22.80" on Movements with Micrometric Regulators]
Case: Various
Run ID: 91.G7.18S91.182M18.H17.L24.15J22
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
5.36
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
18.09
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.031%
Registry Population: 1 (0.67%)

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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.


slitvinoff 18 · January 11, 2021

Serial Number 51624 was reported as inaccurate.

Note: Model 2 in Stuart run is Grade 108
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Jewels changed from 17j to 15j
Movement Finish changed from Gilt or Nickel to Gilt

Anonymous · September 6, 2018

Serial Number 51593 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 17j to 15j
Movement Finish changed from Gilt or Nickel to Gilt

brycam00 13 · May 1, 2018

Serial Number 51643 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 17j to 15j
Movement Finish changed from Gilt or Nickel to Gilt

Anonymous · December 28, 2016

Serial Number 51645 was reported as inaccurate.

Note: Fine train
Changes since this report was submitted:
Jewels changed from 17j to 15j
Movement Finish changed from Gilt or Nickel to Gilt
Illinois Grade Stuart Pocket Watch