Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 220 Pocket Watch Movement
Waltham Grade No. 220 Pocket Watch Movement

American Waltham Watch Co.

Grade: No. 220

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 21818938
Grade: No. 220
Model: 1894
Estimated Production Year: 1918
Run Quantity: 4,000
Total Production: 817,280
Size: 12s
Jewels: 15j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Regulator: Patent
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List

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Data Verification Reports

21816001
Verification Serial Map
21820000

martinmj 24 · April 11, 2020

Serial Number 21817396 was reported as accurate.

Anonymous · November 25, 2018

Serial Number 21819911 was reported as accurate.

Anonymous · November 14, 2017

Serial Number 21818348 was reported as accurate.

Anonymous · July 14, 2017

Serial Number 21819825 was reported as accurate.

Anonymous · February 4, 2017

Serial Number 21817029 was reported as accurate.

Anonymous · August 22, 2016

Serial Number 21819902 was reported as accurate.

bunchj2 103 · June 20, 2016

Serial Number 21819273 was reported as accurate.

Anonymous · March 5, 2015

Serial Number 21818927 was reported as accurate.

Anonymous · October 28, 2014

Serial Number 21817658 was reported as accurate.

Anonymous · August 5, 2013

Serial Number 21819292 was reported as accurate.

Waltham Grade No. 220 Pocket Watch Movement
Waltham Grade No. 220 Pocket Watch Movement