Pocket Watch Database

From the American Horology Archive:
Illinois Grade 61 Pocket Watch Movement

Illinois Watch Co.

Grade: 61

Movement may alternatively be pendant set. Movement may alternatively contain 15 jewels. Movement may also be model 4. 5th Pinion.

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 1284437
Grade: 61
Model: 3
Estimated Production Year: 1895
Run Quantity: 100
Total Production: 7,050
Size: 18s
Jewels: 17j    Mixed Run
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Full Plate
Barrel: Going
Train: Coarse
Regulator: Patent
Hairspring: Breguet
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Temperature: Yes
Railroad Grade: No
Dial Feet Locations: 1.5, 21.5, 38.0
Case Screw Locations: 23.5, 51.5
Database Version: v47.470

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Data Verification Reports

1284401
Verification Serial Map
1284500

Anonymous ยท January 3, 2017

Serial Number 1284500 was reported as accurate.

Illinois Grade 61 Pocket Watch Movement