Pocket Watch Database

From the American Horology Archive:
Illinois Grade 183 Pocket Watch Movement

Illinois Watch Co.

Grade: 183

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 1771497
Grade: 183
Model: 4
Estimated Production Year: 1905
Run Quantity: 500
Total Production: 17,300
Size: 16s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Nickel
Finish Pattern: Wide Bars
Movement Setting: Lever
Plate: Bridge Plate
Bridge Type: 3-finger Straight
Barrel: Going
Regulator: Micrometric
Adjusted: No
Railroad Grade: No
Dial Feet Locations: 24.5, 36.5, 55.5
Case Screw Locations: 18.5, 52.5
Movement Markings: 15 Jewels.

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Data Verification Reports

1771001
Verification Serial Map
1771500

Mobilaero 227 · May 31, 2014

Serial Number 1771497 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · January 2, 2014

Serial Number 1771184 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Illinois Grade 183 Pocket Watch Movement