Pocket Watch Database

From the American Horology Archive:
Illinois Grade 108 Pocket Watch

Illinois Watch Co.

Grade: 108

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 3900001
Grade: 108
Model: 8
Estimated Production Year: 1921
Run Quantity: 1,100
Grade/Model Run: 5 of 5
Grade/Model Total Production: 5,200
Variant Est. Production: 2,200 (16S-M8-21J-HNL-APTI)
Size: 16s
Jewels: 21j
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Lever
Plate: Bridge Plate
Bridge Type: False Center
Double Roller: Yes
Barrel: Going
Adjusted: Yes
Adjusted to Position: Yes
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: No
Dial Feet Locations: 13.5, 39.0, 58.0
Case Screw Locations: 18.0, 53.0
Case: Various
Run ID: 11220.108G27.16S3554.168M102.H4673.L6740.21J1134
Database Version: v52.221
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
15.57
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
52.74
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.091%

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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 · August 27, 2023

Serial Number 3900046 was reported as accurate.

Anonymous · May 17, 2019

Serial Number 3900038 was reported as accurate.

Anonymous · January 24, 2016

Serial Number 3900052 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Illinois Grade 108 Pocket Watch