Waltham Pocket Watch: Serial Number 20786016 (Grade No. 1420)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/20786016

Access Date: May 10, 2025

From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 1420

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	20786016
Grade:	No. 1420
Model:	Colonial Series
Estimated Production Year:	Login to View for Free
Run Quantity:	Login to View for Free
Grade/Model Run:	Login to View for Free
Grade/Model Total Production:	Login to View for Free
Size:	14s
Jewels:	15j
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Pendant
Wind Mechanism:	Stem
Plate:	3/4 Split Plate
Regulator:	Login to View for Free
Hairspring:	Login to View for Free
Adjusted:	No
Railroad Grade:	Login to View for Free
Case:	Various
Run ID:	23326.G16.14S2478.M71.O14483.P8419.15J5438
Data Research:	1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest
Database Version:	v52.645
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population: Scoped for This Run Only	7 (0.70%)
Research Note: Waltham Serial Ledgers designate this run as "Col. Ser." (Colonial Series). Pillar plate measures as 14s while movement is based on the 12s Model 1894.

7 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Regulator Type, Hairspring, Railroad Grade Designation

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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 with 1 image. 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.