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: 6394261 Question Mark
Grade: No. 20 Question Mark
Model: 1888 Question Mark
Estimated Production Date: August 1894 - November 1894 Question Mark
Run Quantity: 5,000 Question Mark
Grade/Model Run: 58 of 138 Question Mark
Grade/Model Total Production: 305,873 Question Mark
Size: 16s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Openface 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: 14628.G58.16S585.161888M259.O9743.P1317.7J4132 Question Mark
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
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
444.70 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
404.67 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.442% Question Mark
Registry Population:
Scoped for This Run Only
15 (0.30%) 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.


taborclock Supporter 148 · May 17, 2021

Serial Number 6394950 was reported as accurate.

Anonymous · January 22, 2021

Serial Number 6392791 was reported as accurate.

Anonymous · July 1, 2019

Serial Number 6396305 was reported as accurate.

Anonymous · October 13, 2018

Serial Number 6392627 was reported as accurate.

Anonymous · August 8, 2017

Serial Number 6396850 was reported as accurate.

Anonymous · August 4, 2017

Serial Number 6394622 was reported as accurate.

Anonymous · May 2, 2017

Serial Number 6394513 was reported as accurate.

Anonymous · January 17, 2013

Serial Number 6396333 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Movement Setting changed from Key to Pendant
Plate changed from Unknown to 3/4
Waltham Grade No. 20 Pocket Watch