Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 81 Pocket Watch

American Waltham Watch Co.

Grade: No. 81

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 10975715
Grade: No. 81
Model: 1883
Estimated Production Year: 1901
Run Quantity: 500
Grade/Model Total Production: 368,799
Size: 18s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Gilt
Movement Setting: Lever
Plate: Full Plate
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
Case: Various
Registry Population: 4 (0.80%)
Database Version: v49.712

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 10975538 #38 Marketplace May 31, 2016
2 10975669 #169 Inferred
3
Image Credit: afilter
10975715 #215 Collection January 24, 2023
4 10975747 #247 Marketplace October 09, 2014
Standard Deviation of Known Examples: 91.92 (Expected: 144.48, Δ52.56/10.51%)

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Waltham Grade No. 81 Pocket Watch