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: 9402445 Question Mark
Grade: No. 820 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1899 Question Mark
Run Quantity: 2,400 Question Mark
Grade/Model Run: 42 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: 16396.G42.18S10249.181883M2018.O10614.P2752.15J3871 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.518 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 (0.71%) 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 · November 24, 2023

Serial Number 9403133 was reported as accurate.

Anonymous · May 1, 2021

Serial Number 9402294 was reported as accurate.

Anonymous · March 30, 2020

Serial Number 9403062 was reported as accurate.

Anonymous · February 27, 2020

Serial Number 9403062 was reported as accurate.

Anonymous · January 11, 2020

Serial Number 9404130 was reported as accurate.

Anonymous · January 9, 2020

Serial Number 9404130 was reported as accurate.

julyan 3 · November 14, 2019

Serial Number 9403943 was reported as accurate.

julyan 3 · November 14, 2019

Serial Number 9403943 was reported as accurate.

Anonymous · June 11, 2019

Serial Number 9402088 was reported as accurate.

Anonymous · September 10, 2013

Serial Number 9402329 was reported as accurate.

Anonymous · July 21, 2013

Serial Number 9402329 was reported as accurate.

Anonymous · June 14, 2013

Serial Number 9402329 was reported as accurate.

Anonymous · March 30, 2013

Serial Number 9402445 was reported as accurate.

Waltham Grade No. 820 Pocket Watch