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: 6388824 Question Mark
Grade: No. 20 Question Mark
Model: 1888 Question Mark
Estimated Production Date: September 1894 - December 1894 Question Mark
Run Quantity: 5,000 Question Mark
Grade/Model Run: 57 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: 14627.G57.16S584.161888M258.H3949.P1316.7J4131 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: v52.427 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
10 (0.20%) Question Mark
$ Estimated Value (12 Month Change): -2.80% Analyzing 353 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 · January 15, 2022

Serial Number 6390437 was reported as accurate.

Anonymous · October 25, 2020

Serial Number 6390663 was reported as accurate.

Anonymous · October 4, 2019

Serial Number 6389054 was reported as accurate.

Anonymous · April 22, 2019

Serial Number 6387074 was reported as accurate.

DaveDuke 1 · March 15, 2018

Serial Number 6390995 was reported as accurate.

Anonymous · January 17, 2018

Serial Number 6388390 was reported as accurate.

Anonymous · December 14, 2017

Serial Number 6390619 was reported as accurate.

Anonymous · June 16, 2017

Serial Number 6387234 was reported as accurate.

Anonymous · March 29, 2017

Serial Number 6388422 was reported as accurate.

Anonymous · November 16, 2016

Serial Number 6390040 was reported as accurate.

Anonymous · October 26, 2016

Serial Number 6390145 was reported as accurate.

Anonymous · January 25, 2016

Serial Number 6390809 was reported as accurate.

Anonymous · August 27, 2013

Serial Number 6390445 was reported as inaccurate.

Note: Pendant set
Changes since this report was submitted:
Movement Setting changed from Key to Pendant

Anonymous · January 26, 2013

Serial Number 6389528 was reported as inaccurate.

Note: It is pendant set
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