Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 300

(Alternatively Grade No. 310)

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 20198027 Question Mark
Grade: No. 300 Question Mark
Model: 1900 Question Mark
Estimated Production Year: 1915 Question Mark
Run Quantity: 4,000 Question Mark
Grade/Model Run: 4 of 6 Question Mark
Grade/Model Total Production: 24,500 Question Mark
Size: 3/0s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 23045.G4.S99.M58.O14317.P8149.7J6691 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
73.76 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
67.12 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.073% Question Mark
Registry Population:
Scoped for This Run Only
8 (0.20%) 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.


Rcardkidz 4137 · June 24, 2024

Serial Number 20198033 was reported as accurate.

Rcardkidz 4137 · June 25, 2022

Serial Number 20198541 was reported as accurate.

Anonymous · November 4, 2021

Serial Number 20198303 was reported as accurate.

MoatsJustin1 top-contributor 5272 · August 9, 2021

Serial Number 20200221 was reported as accurate.

Anonymous · February 18, 2018

Serial Number 20199446 was reported as accurate.

Anonymous · February 18, 2018

Serial Number 20199446 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · July 25, 2017

Serial Number 20200895 was reported as accurate.

ruckus 3 · January 5, 2017

Serial Number 20198859 was reported as accurate.

Anonymous · November 23, 2016

Serial Number 20199884 was reported as accurate.