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: 6328235 Question Mark
Grade: No. 20 Question Mark
Model: 1888 Question Mark
Estimated Production Date: April 1894 - October 1894 Question Mark
Run Quantity: 4,500 Question Mark
Grade/Model Run: 52 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: 14609.G52.16S579.161888M253.H3940.P1300.7J4121 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
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
11 (0.24%) 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 · February 19, 2021

Serial Number 6328812 was reported as accurate.

Anonymous · March 3, 2020

Serial Number 6331284 was reported as accurate.

Lubo65 1 · October 20, 2019

Serial Number 6330687 was reported as inaccurate.

Note: Mine watch reads 15 jewels
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · September 8, 2019

Serial Number 6330126 was reported as accurate.

giddykippa 235 · May 31, 2019

Serial Number 6332255 was reported as accurate.

Radiotron Supporter 48 · January 24, 2019

Serial Number 6329308 was reported as inaccurate.

Note: Mine is 7 jewel.
Changes since this report was submitted:
Jewels changed from 13j to 7J

Anonymous · September 29, 2018

Serial Number 6329244 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Jewels changed from 13j to 7J

Anonymous · February 6, 2018

Serial Number 6332499 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 13j to 7J

stevetireney 27 · August 1, 2017

Serial Number 6328856 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 13j to 7J

Anonymous · May 19, 2017

Serial Number 6331242 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 13j to 7J

Anonymous · May 10, 2017

Serial Number 6331923 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 13j to 7J

Anonymous · January 31, 2017

Serial Number 6331013 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Jewels changed from 13j to 7J

Anonymous · December 17, 2016

Serial Number 6329449 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 13j to 7J

Anonymous · February 4, 2016

Serial Number 6329898 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 13j to 7J
Movement Setting changed from Key to Pendant

Anonymous · November 24, 2013

Serial Number 6329155 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Jewels changed from 13j to 7J
Movement Setting changed from Key to Pendant

Anonymous · April 24, 2013

Serial Number 6328027 was reported as inaccurate.

Note: Stem Wind / Stem Set
Changes since this report was submitted:
Jewels changed from 13j to 7J
Movement Setting changed from Key to Pendant
Plate changed from Unknown to 3/4
Waltham Grade No. 20 Pocket Watch