Waltham Pocket Watch: Serial Number 21643857 (Grade No. 310)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/21643857

Access Date: February 02, 2025

From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 310

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	21643857
Grade:	No. 310
Model:	1907
Estimated Production Year:	1917
Run Quantity:	6,000
Grade/Model Run:	15 of 27
Grade/Model Total Production:	116,500
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:	23679.G45.S200.M111.O14701.P8769.7J6973
Data Research:	1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest
Database Version:	v52.591
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	350.75
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	319.18
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.349%
Registry Population: Scoped for This Run Only	8 (0.13%)
$ Estimated Value (12 Month Change):	-2.38% Analyzing 139 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.