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: 9620484 Question Mark
Grade: No. 820 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1900 Question Mark
Run Quantity: 2,500 Question Mark
Grade/Model Run: 48 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: 16541.G48.18S10316.181883M2076.O10687.P2860.15J3895 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
19 (0.76%) Question Mark
$ Estimated Value (12 Month Change): -13.00% Analyzing 1,255 Sales Question Mark

Help Us Help Others By Improving the Database:

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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.


StlSteve 12 · October 21, 2024

Serial Number 9620484 was reported as accurate.

Otisgold38 5 · November 6, 2021

Serial Number 9618744 was reported as accurate.

Anonymous · September 21, 2021

Serial Number 9619815 was reported as accurate.

giddykippa 235 · August 24, 2020

Serial Number 9619093 was reported as accurate.

Anonymous · February 2, 2019

Serial Number 9618466 was reported as accurate.

Anonymous · October 18, 2018

Serial Number 9619252 was reported as accurate.

Anonymous · November 3, 2017

Serial Number 9618659 was reported as accurate.

TreverP 9 · March 4, 2017

Serial Number 9619171 was reported as accurate.

upalnit 2 · August 23, 2016

Serial Number 9620242 was reported as accurate.

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

Anonymous · August 12, 2016

Serial Number 9620401 was reported as accurate.

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

StephenDWright 1 · March 1, 2015

Serial Number 9619274 was reported as accurate.

Anonymous · March 1, 2015

Serial Number 9619274 was reported as accurate.

Anonymous · February 4, 2015

Serial Number 9618424 was reported as accurate.

StephenW 1 · August 24, 2014

Serial Number 9619274 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · August 24, 2014

Serial Number 9619274 was reported as accurate.

Anonymous · July 3, 2014

Serial Number 9620267 was reported as accurate.

Waltham Grade No. 820 Pocket Watch