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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/28018599
Access Date: November 26, 2024
From the American Horology Archive:
Waltham Grade 8 Day Pocket Watch
American Waltham Watch Co.

Grade: 8 Day

Clock, Actual Production Inconsistent with Factory Records. See Research Notes.

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 28018599 Question Mark
Grade: 8 Day Question Mark
Model: 1926 Question Mark
Estimated Production Year: 1934 Question Mark
Run Quantity: 3,000 Question Mark
Grade/Model Run: 63 of 70 Question Mark
Grade/Model Total Production: 542,500 Question Mark
Size: 37s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Openface 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: 25506.G202.37S210.371926M66.O15810.P10438.7J7568 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
 Question Mark
Database Version: v52.465 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 1,633.34 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 1,486.34 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 1.624% Question Mark
Registry Population:
Scoped for This Run Only		2 (0.07%) Question Mark
Research Note: Waltham Serial Lists designate this run as featuring 7 jewels. However, #28018599 has been verified as marked "15 Jewels."
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 2 watches in the population registry for this run with 1 image.
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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.

fordcasa Top Contributor Supporter 444 · April 24, 2020

Serial Number 28018599 was reported as inaccurate.

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

Anonymous · March 15, 2018

Serial Number 28019730 was reported as accurate.

Anonymous · March 15, 2018

Serial Number 28019730 was reported as accurate.

Anonymous · December 14, 2017

Serial Number 28019235 was reported as accurate.

Anonymous · July 5, 2016

Serial Number 28018334 was reported as accurate.

Waltham Grade 8 Day Pocket Watch