Pocket Watch Database

From the American Horology Archive:

Cornell Watch Co.

Grade: Cornell Watch Co.

Manufacturer: Cornell Watch Co.
Manufacturer Location: Chicago, Illinois and San Francisco, California
Movement Serial Number: 25321
Grade: Cornell Watch Co.
Model: 1
Estimated Production Year: 1875
Run Quantity: 100
Total Production: 1,040
Size: 18s
Jewels: 7j
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Regulator: Plain In
Hairspring: Flat
Adjusted: No
Railroad Grade: No
Movement Markings: Cornell Watch Co.
San Francisco
Case: Various
Registry Population: 3 (3.00%)
Database Version: v49.392
Research Note: Some feature a solid balance wheel.

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 25304 #4 Observation August 26, 2016
2 25308 #8 Observation August 20, 2022
3 25321 #21 Collection January 23, 2022
Standard Deviation of Known Examples: 8.89 (Expected: 29.01, Δ20.12/20.12%)

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