Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 820 Pocket Watch

American Waltham Watch Co.

Grade: No. 820

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 14819623
Grade: No. 820
Model: 1883
Estimated Production Year: 1906
Run Quantity: 4,000
Total Production: 413,500
Size: 18s
Jewels: 15j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Full Plate
Regulator: Patent
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
Case: Various
Registry Population: 15 (0.38%)
Database Version: v49.391

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 14818115 #115 Marketplace October 17, 2013
2 14818131 #131 Collection December 31, 2016
3 14818175 #175 Collection July 21, 2013
4 14818857 #857 Marketplace June 21, 2021
5 14819129 #1129 Inferred
6 14819623 #1623 Collection November 19, 2019
7 14819663 #1663 Marketplace January 17, 2016
8 14819667 #1667 Collection January 22, 2022
9 14819669 #1669 Collection December 11, 2019
10 14819705 #1705 Marketplace May 24, 2013
11 14819713 #1713 Marketplace June 08, 2020
12 14819810 #1810 Marketplace February 20, 2014
13 14820372 #2372 Marketplace January 16, 2020
14 14820613 #2613 Collection September 07, 2020
15 14820630 #2630 Marketplace November 01, 2016
Standard Deviation of Known Examples: 829.39 (Expected: 1,154.84, Δ325.45/8.14%)

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Data Verification Reports

14818001
Verification Serial Map
14822000

Anonymous · September 25, 2022

Serial Number 14818764 was reported as accurate.

Anonymous · August 18, 2019

Serial Number 14820281 was reported as accurate.

Anonymous · August 18, 2019

Serial Number 14820281 was reported as accurate.

Anonymous · November 18, 2018

Serial Number 14821794 was reported as accurate.

Anonymous · February 20, 2017

Serial Number 14818421 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · February 20, 2017

Serial Number 14818421 was reported as accurate.

Anonymous · December 31, 2016

Serial Number 14818131 was reported as accurate.

Anonymous · December 25, 2016

Serial Number 14818212 was reported as accurate.

Anonymous · August 2, 2016

Serial Number 14818001 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Nickel

Anonymous · March 25, 2015

Serial Number 14819867 was reported as accurate.

Anonymous · March 14, 2015

Serial Number 14820041 was reported as accurate.

Anonymous · June 17, 2014

Serial Number 14818665 was reported as accurate.

Anonymous · October 17, 2013

Serial Number 14818115 was reported as accurate.

Anonymous · July 14, 2013

Serial Number 14818175 was reported as accurate.

Anonymous · July 4, 2013

Serial Number 14819223 was reported as accurate.

Anonymous · November 24, 2012

Serial Number 14818096 was reported as accurate.

Waltham Grade No. 820 Pocket Watch