Waltham Pocket Watch: Serial Number 255859 (Grade P.S. Bartlett)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/255859

Access Date: February 03, 2023

From the American Horology Archive:

American Waltham Watch Co.

Grade: P.S. Bartlett

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	255859
Grade:	P.S. Bartlett
Model:	1857
Estimated Production Date:	October 1866 - November 1866
Run Quantity:	400
Grade/Model Total Production:	293,259
Size:	18s
Jewels:	11j
Movement Configuration:	Adaptable
Movement Finish:	Gilt
Movement Setting:	Key
Plate:	Full Plate
Balance Type:	Solid
Balance Material:	Steel
Adjusted:	No
Railroad Grade:	No
Data Research:	c.1900 Waltham Factory Ledgers 1954 Waltham "Gray Book" List
Case:	Various
Registry Population:	5 (1.25%)
Database Version:	v49.752

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
1		255610	#10	Marketplace	March 27, 2020
2		255679	#79	Marketplace	December 08, 2016
3	Image Credit: abmimoso	255859	#259	Collection	July 27, 2022
4		255950	#350	Marketplace	May 08, 2016
5		255989	#389	Inferred
Standard Deviation of Known Examples: 166.53 (Expected: 115.61, Δ50.92/12.73%)

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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.