Waltham Pocket Watch: Serial Number 13731 (Grade Sporting)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/13731

Access Date: October 28, 2024

From the American Horology Archive:

American Waltham Watch Co.

Grade: Sporting

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	13731
Grade:	Sporting
Model:	1857
Estimated Production Date:	October 1858
Run Quantity:	100
Grade/Model Run:	1 of 11
Grade/Model Total Production:	400
Size:	18s
Jewels:	16j
Movement Configuration:	Adaptable
Movement Finish:	Gilt
Movement Setting:	Key
Plate:	Full Plate
Balance Type:	Solid
Balance Material:	Steel
Adjusted:	No
Railroad Grade:	No
U.S. Patents:	22914
Case:	Various
Run ID:	245.G1.18S243.181857M242.O244.K244.16J63
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:	v52.428
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	1.20
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	1.09
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.