Waltham Pocket Watch: Serial Number 50378 (Grade American Watch Co.)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/50378

Access Date: April 11, 2025

From the American Horology Archive:

American Waltham Watch Co.

Grade: American Watch Co.

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	50378
Grade:	American Watch Co.
Model:	1860
Estimated Production Date:	December 1863 - February 28, 1864
Run Quantity:	100
Grade/Model Run:	1 of 9
Grade/Model Total Production:	455
Size:	16s
Jewels:	19j
Jewel Setting:	Screw-Set
Movement Configuration:	Adaptable
Movement Finish:	Gilt
Movement Setting:	Key
Plate:	3/4 Plate
Regulator:	Plain
Adjusted:	Yes
Adjusted to Position:	Yes
Case:	Various
Run ID:	1466.G12.16S2.161860M2.O1465.K1465.19J11
Data Research:	c.1900 Waltham Factory Ledger Book 1 [NAWCC] c.1900 Waltham Factory Ledgers [Ehrhardt Transcription] 1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest
Database Version:	v52.636
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	1.38
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	1.26
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.001%
Registry Population: Scoped for This Run Only	3 (3.00%)

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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.