Pocket Watch Database


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

American Waltham Watch Co.

Grade: No. 820

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 8415778 Question Mark
Grade: No. 820 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1898 Question Mark
Run Quantity: 3,500 Question Mark
Grade/Model Run: 7 of 224 Question Mark
Grade/Model Total Production: 413,500 Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Full Plate Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 15944.G7.18S10074.181883M1853.O10371.P2377.15J3725 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.428 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
874.33 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
795.64 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.869% Question Mark
Registry Population:
Scoped for This Run Only
17 (0.49%) Question Mark
$ Estimated Value (12 Month Change): -13.00% Analyzing 1,257 Sales Question Mark

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.


cjbrem Supporter 859 · August 7, 2024

Serial Number 8415778 was reported as accurate.

Anonymous · November 18, 2021

Serial Number 8412998 was reported as accurate.

Anonymous · January 31, 2021

Serial Number 8414355 was reported as accurate.

Anonymous · December 7, 2019

Serial Number 8412998 was reported as accurate.

Anonymous · April 17, 2019

Serial Number 8415907 was reported as accurate.

Anonymous · December 31, 2017

Serial Number 8413727 was reported as accurate.

Anonymous · October 23, 2017

Serial Number 8415055 was reported as accurate.

tysonni Supporter 59 · August 16, 2017

Serial Number 8413965 was reported as accurate.

Anonymous · July 6, 2017

Serial Number 8415230 was reported as accurate.

Anonymous · January 24, 2017

Serial Number 8412998 was reported as accurate.

Anonymous · December 23, 2016

Serial Number 8415208 was reported as accurate.

herbco123 3 · November 25, 2016

Serial Number 8415784 was reported as accurate.

Anonymous · February 21, 2016

Serial Number 8415174 was reported as accurate.

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

andergar 1 · July 8, 2015

Serial Number 8413627 was reported as accurate.

Anonymous · April 9, 2015

Serial Number 8413403 was reported as accurate.

Anonymous · December 8, 2014

Serial Number 8415500 was reported as accurate.

Anonymous · August 5, 2014

Serial Number 8413148 was reported as accurate.

Anonymous · November 27, 2013

Serial Number 8413960 was reported as accurate.

Anonymous · November 27, 2013

Serial Number 8413960 was reported as accurate.

Anonymous · October 9, 2013

Serial Number 8412712 was reported as accurate.

Waltham Grade No. 820 Pocket Watch