Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 20 Pocket Watch

American Waltham Watch Co.

Grade: No. 20

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 7798160 Question Mark
Grade: No. 20 Question Mark
Model: 1888 Question Mark
Estimated Production Year: 1896 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 115 of 138 Question Mark
Grade/Model Total Production: 305,873 Question Mark
Size: 16s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Gilt 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: 15682.G115.16S849.161888M523.H4503.P2173.7J4454 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.526 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
476.21 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
433.35 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.473% Question Mark
Registry Population:
Scoped for This Run Only
2 (0.20%) Question Mark
$ Estimated Value (12 Month Change): -1.87% Analyzing 355 Sales Question Mark

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 · May 4, 2018

Serial Number 7798660 was reported as accurate.

Anonymous · February 17, 2017

Serial Number 7798787 was reported as accurate.

Anonymous · February 11, 2014

Serial Number 7798400 was reported as accurate.

Waltham Grade No. 20 Pocket Watch