Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: E

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 4391284
Grade: E
Variation: Seaside Quality
Model: 1873-6
Estimated Production Date: March 1890 - June 1890
Run Quantity: 3,000
Total Production: 101,700
Size: 6s
Jewels: 7j
Movement Configuration: Hunting
Movement Setting: Lever
Plate: 3/4 Plate
Adjusted: No
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
Case: Various
Registry Population: 10 (0.33%)
Database Version: v49.391

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 4390001 #1 Collection October 19, 2018
2 4390299 #299 Collection October 02, 2019
3 4390700 #700 Marketplace August 10, 2014
4 4391284 #1284 Collection March 25, 2020
5 4391382 #1382 Marketplace September 14, 2015
6 4391416 #1416 Marketplace March 16, 2020
7 4391943 #1943 Inferred
8 4392132 #2132 Collection November 08, 2014
9 4392482 #2482 Marketplace March 06, 2016
10 4392570 #2570 Collection December 22, 2015
Standard Deviation of Known Examples: 884.39 (Expected: 866.17, Δ18.22/0.61%)

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Data Verification Reports

4390001
Verification Serial Map
4393000

Anonymous · September 23, 2022

Serial Number 4390001 was reported as accurate.

cliffdobbins Supporter 243 · May 5, 2021

Serial Number 4391283 was reported as accurate.

Anonymous · March 4, 2020

Serial Number 4391859 was reported as accurate.

Anonymous · December 3, 2019

Serial Number 4390001 was reported as accurate.

Anonymous · August 6, 2019

Serial Number 4392825 was reported as accurate.

Anonymous · June 26, 2019

Serial Number 4390511 was reported as accurate.

Anonymous · June 25, 2019

Serial Number 4392825 was reported as accurate.

Anonymous · April 22, 2019

Serial Number 4391479 was reported as accurate.

pvansickle65 1 · December 2, 2018

Serial Number 4390677 was reported as accurate.

Anonymous · July 30, 2017

Serial Number 4390033 was reported as accurate.

Anonymous · May 27, 2016

Serial Number 4392120 was reported as accurate.

Anonymous · March 15, 2015

Serial Number 4392570 was reported as accurate.

stonesrule1 13 · July 2, 2013

Serial Number 4391943 was reported as accurate.

stonesrule1 13 · July 1, 2013

Serial Number 4391943 was reported as accurate.