Pocket Watch Database

From the American Horology Archive:
Waltham Grade Riverside Pocket Watch Movement

American Waltham Watch Co.

Grade: Riverside

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 10542986
Grade: Riverside
Model: 1899
Estimated Production Year: 1901
Run Quantity: 500
Total Production: 56,539
Size: 16s
Jewels: 17j
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Regulator: Patent
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: Yes
Data Research: 1954 Waltham "Gray Book" List

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Data Verification Reports

10542501
Verification Serial Map
10543000

Anonymous · December 19, 2019

Serial Number 10542711 was reported as inaccurate.

Note: the plate is a bridge plate not a 3/4 plate

Anonymous · January 15, 2018

Serial Number 10542687 was reported as accurate.

Anonymous · June 6, 2015

Serial Number 10542616 was reported as accurate.

Anonymous · July 25, 2014

Serial Number 10542654 was reported as inaccurate.

No further details were submitted with the report.
Waltham Grade Riverside Pocket Watch Movement