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: 6425379 Question Mark
Grade: No. 20 Question Mark
Model: 1888 Question Mark
Estimated Production Date: February 1895 - September 1895 Question Mark
Run Quantity: 3,000 Question Mark
Grade/Model Run: 59 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: 14636.G59.16S586.161888M260.H3956.P1325.7J4138 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: v52.445 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
9 (0.30%) Question Mark
$ Estimated Value (12 Month Change): -2.80% Analyzing 353 Sales 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.


MoatsJustin1 top-contributor 5269 · November 2, 2021

Serial Number 6423882 was reported as accurate.

Anonymous · June 23, 2021

Serial Number 6424791 was reported as accurate.

Anonymous · April 23, 2021

Serial Number 6423734 was reported as accurate.

Anonymous · January 26, 2021

Serial Number 6424584 was reported as accurate.

Anonymous · December 8, 2020

Serial Number 6425842 was reported as accurate.

Anonymous · January 5, 2020

Serial Number 6425809 was reported as accurate.

Ifxtym 27 · April 20, 2019

Serial Number 6423426 was reported as accurate.

Anonymous · March 22, 2017

Serial Number 6425120 was reported as accurate.

Anonymous · March 9, 2017

Serial Number 6424718 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · April 1, 2015

Serial Number 6424700 was reported as accurate.

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

Anonymous · April 1, 2015

Serial Number 6424700 was reported as accurate.

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

Anonymous · April 1, 2015

Serial Number 6424700 was reported as accurate.

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

lewis23 Supporter 40 · November 6, 2013

Serial Number 6425379 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Key to Pendant
Waltham Grade No. 20 Pocket Watch