Waltham Pocket Watch: Serial Number 20456627 (Grade No. 310)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/20456627/movement

Access Date: December 22, 2024

From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 310

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	20456627
Grade:	No. 310
Model:	1900
Estimated Production Year:	1915
Run Quantity:	5,000
Grade/Model Run:	29 of 30
Grade/Model Total Production:	109,199
Size:	3/0s
Jewels:	7j
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Pendant
Plate:	3/4 Plate
Hairspring:	Breguet
Adjusted:	No
Railroad Grade:	No
Case:	Various
Run ID:	23175.G30.S118.M69.O14394.P8270.7J6747
Data Research:	1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest
Database Version:	v52.517
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	328.77
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	299.18
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.327%
Registry Population: Scoped for This Run Only	7 (0.14%)

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 7 watches in the population registry for this run. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

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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.