Pocket Watch Database

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

American Waltham Watch Co.

Grade: No. 220

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 15812073
Grade: No. 220
Model: 1894
Estimated Production Year: 1907
Run Quantity: 2,000
Total Production: 817,280
Size: 12s
Jewels: 15j
Movement Configuration: Hunting
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
Case: Various
Registry Population: 10 (0.50%)
Database Version: v49.392

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 15811837 #337 Marketplace January 24, 2014
2 15811982 #482 Marketplace June 06, 2013
3 15812073 #573 Collection March 30, 2022
4 15812551 #1051 Marketplace January 11, 2015
5 15812593 #1093 Marketplace September 30, 2016
6 15812863 #1363 Marketplace November 11, 2016
7 15813009 #1509 Marketplace May 31, 2013
8 15813044 #1544 Marketplace April 14, 2013
9 15813404 #1904 Marketplace June 04, 2013
10 15813433 #1933 Marketplace July 23, 2019
Standard Deviation of Known Examples: 573.09 (Expected: 577.49, Δ4.40/0.22%)

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Data Verification Reports

15811501
Verification Serial Map
15813500

Anonymous · July 28, 2022

Serial Number 15811669 was reported as accurate.

Anonymous · January 29, 2020

Serial Number 15813433 was reported as accurate.

Anonymous · January 8, 2020

Serial Number 15813433 was reported as accurate.

Anonymous · December 16, 2019

Serial Number 15813433 was reported as accurate.

Anonymous · December 16, 2019

Serial Number 15813433 was reported as accurate.

Anonymous · June 30, 2019

Serial Number 15812574 was reported as accurate.

Anonymous · June 13, 2013

Serial Number 15811982 was reported as accurate.

Anonymous · June 13, 2013

Serial Number 15811982 was reported as accurate.

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