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: 9948098 Question Mark
Grade: No. 820 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1900 Question Mark
Run Quantity: 2,100 Question Mark
Grade/Model Run: 54 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: 16680.G54.18S10372.181883M2132.O10753.P2978.15J3934 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.521 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
14 (0.67%) Question Mark
$ Estimated Value (12 Month Change): -6.25% Analyzing 1,259 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.


WatchThatMan 39 · July 10, 2023

Serial Number 9947872 was reported as accurate.

Anonymous · June 23, 2021

Serial Number 9947385 was reported as accurate.

Anonymous · November 9, 2019

Serial Number 9947052 was reported as accurate.

Anonymous · April 27, 2018

Serial Number 9947847 was reported as accurate.

Anonymous · August 14, 2016

Serial Number 9947847 was reported as accurate.

ceocbeck 112 · August 27, 2015

Serial Number 9948927 was reported as accurate.

Anonymous · September 11, 2014

Serial Number 9947033 was reported as inaccurate.

Note: All accurate; just to add it's a nickel plate
movement. Cheers. duffy l.

ascards 14 · May 27, 2014

Serial Number 9948000 was reported as accurate.

Anonymous · April 6, 2014

Serial Number 9946923 was reported as accurate.

Anonymous · April 6, 2014

Serial Number 9946923 was reported as accurate.

Waltham Grade No. 820 Pocket Watch