Waltham Pocket Watch: Serial Number 20628183 (Grade No. 310)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/20628183

Access Date: May 25, 2025

From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 310

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	20628183
Grade:	No. 310
Model:	1907
Estimated Production Year:	1916
Run Quantity:	4,000
Grade/Model Run:	3 of 27
Grade/Model Total Production:	116,500
Size:	3/0s
Jewels:	7j
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Pendant
Wind Mechanism:	Stem
Plate:	3/4 Plate
Hairspring:	Breguet
Adjusted:	No
Railroad Grade:	No
Case:	Various
Run ID:	23256.G32.S127.M57.O14438.P8351.7J6788
Data Research:	1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest
Database Version:	v52.650
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Registry Population: Scoped for This Run Only	6 (0.15%)
$ Estimated Value (12 Month Change):	-8.70% Analyzing 141 Sales

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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.