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: 14819623 Question Mark
Grade: No. 820 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1906 Question Mark
Run Quantity: 4,000 Question Mark
Grade/Model Run: 154 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
Regulator: Patent Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 19650.G154.18S11432.181883M2915.O12346.P5295.15J4573 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.528 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 (0.43%) Question Mark
$ Estimated Value (12 Month Change): -6.25% Analyzing 1,259 Sales Question Mark

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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.


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