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: 14310085
Grade: No. 820
Model: 1883
Estimated Production Year: 1905
Run Quantity: 1,000
Total Production: 413,500
Size: 18s
Jewels: 15j
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Lever
Plate: Full Plate
Regulator: Patent
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
Case: Various
Registry Population: 8 (0.80%)
Database Version: v49.392

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 14309671 #171 Marketplace September 30, 2019
2 14309688 #188 Collection November 19, 2019
3 14309826 #326 Marketplace September 08, 2019
4 14309834 #334 Collection October 27, 2018
5 14309910 #410 Marketplace November 02, 2014
6 14309921 #421 Marketplace March 13, 2014
7 14310085 #585 Collection February 10, 2022
8 14310230 #730 Marketplace April 17, 2020
Standard Deviation of Known Examples: 189.26 (Expected: 288.82, Δ99.56/9.96%)

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

14309501
Verification Serial Map
14310500

Anonymous · October 19, 2019

Serial Number 14309987 was reported as accurate.

Anonymous · February 6, 2018

Serial Number 14309871 was reported as accurate.

Anonymous · January 24, 2018

Serial Number 14309875 was reported as accurate.

Anonymous · November 28, 2017

Serial Number 14309782 was reported as accurate.

Anonymous · June 29, 2016

Serial Number 14310230 was reported as accurate.

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

Anonymous · June 29, 2016

Serial Number 14310230 was reported as accurate.

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

Anonymous · August 4, 2014

Serial Number 14310407 was reported as accurate.

cmdraven 3502 · March 12, 2014

Serial Number 14309921 was reported as accurate.

Waltham Grade No. 820 Pocket Watch