Pocket Watch Database

From the American Horology Archive:
Waltham Grade 8 Day Pocket Watch

American Waltham Watch Co.

Grade: 8 Day

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 26421687
Grade: 8 Day
Model: 1926
Estimated Production Year: 1928
Run Quantity: 9,000
Grade/Model Run: 42 of 70
Grade/Model Total Production: 542,500
Size: 37s
Jewels: 7j
Movement Configuration: Openface
Movement Setting: Pendant
Plate: 3/4 Plate
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 25053.G181.37S187.371926M43.O15556.P10008.7J7404
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1,633.34
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1,486.34
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.624%
Registry Population: 2 (0.02%)

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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.


dtaphorn1945 Supporter 4 · December 27, 2023

Serial Number 26421687 was reported as accurate.

KipW1950 5 · May 30, 2023

Serial Number 26421687 was reported as inaccurate.

Note: This watch, listed on eBay, is a WWII-era boxed
chronometer "conversion" with 15 jewels and
(Hamilton 992B-style) Reed/whiplash regulator.
Curator Response: Thanks for the report. Please post the item number or link URL.

sem1949 66 · April 11, 2019

Serial Number 26421527 was reported as accurate.

Waltham Grade 8 Day Pocket Watch