Waltham Pocket Watch: Serial Number 23900899 (Grade 8 Day)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/23900899/movement

Access Date: June 05, 2025

From the American Horology Archive:

American Waltham Watch Co.

Grade: 8 Day

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	23900899
Grade:	8 Day
Model:	1910
Estimated Production Year:	1920
Run Quantity:	23,000
Grade/Model Run:	132 of 139
Grade/Model Total Production:	806,000
Size:	37s
Jewels:	7j
Movement Configuration:	Openface
Movement Setting:	Pendant
Plate:	3/4 Plate
Hairspring:	Breguet
Adjusted:	No
Railroad Grade:	No
Case:	Various
Run ID:	24559.G132.37S137.371910M137.O15301.P9540.7J7195
Data Research:	1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest
Database Version:	v52.693
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Registry Population: Scoped for This Run Only	5 (0.02%)

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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.