Pocket Watch Database

From the American Horology Archive:
Illinois Grade 61 Pocket Watch

Illinois Watch Co.

Grade: 61

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 1626640
Grade: 61
Model: 6
Estimated Production Year: 1902
Run Quantity: 50
Grade/Model Run: 120 of 135
Grade/Model Total Production: 24,233
Size: 18s
Jewels: 17j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Full Plate
Barrel: Going
Train: Fast
Regulator: Patent
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Dial Feet Locations: 2.0, 21.5, 38.5
Case Screw Locations: 23.5, 51.5
Case: Various
Run ID: 4588.61G269.18S3045.186M620.O1687.L3724.17J894
Database Version: v52.354
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
72.96
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
246.17
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.426%
Registry Population: 1 (2.00%)
$ Estimated Value (12 Month Change): -18.18% Analyzing 168 Sales
Research Note: Factory records suggest this run is comprised of Grade 69 movements. However, #1626640 has been verified as consistent with Grade 61. The database has been updated to reflect this.

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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.


jesbob7 Supporter 40 · July 19, 2023

Serial Number 1626640 was reported as accurate.

Changes since this report was submitted:
Grade changed from 69 to 61
Illinois Grade 61 Pocket Watch