Waltham Pocket Watch: Serial Number 1525 (Grade P.S. Bartlett)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/1525

Access Date: January 31, 2023

We noticed that you entered a relatively short serial number.
"1525" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.

From the American Horology Archive:

American Waltham Watch Co.

Grade: P.S. Bartlett

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	1525
Grade:	P.S. Bartlett
Model:	1857
Estimated Production Date:	January 1858
Run Quantity:	50
Grade/Model Total Production:	293,259
Size:	18s
Jewels:	7j
Movement Configuration:	Adaptable
Movement Finish:	Gilt
Movement Setting:	Key
Plate:	Full Plate
Balance Type:	Solid
Balance Material:	Steel
Hairspring:	Flat
Adjusted:	No
Railroad Grade:	No
Data Research:	c.1900 Waltham Factory Ledgers 1954 Waltham "Gray Book" List
Case:	Various
Registry Population:	3 (6.00%)
Database Version:	v49.716

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
1	Image Credit: Ponoco	1525	#25	Collection	December 31, 2020
2		1539	#39	Inferred
3		1541	#41	Inferred
Standard Deviation of Known Examples: 8.72 (Expected: 14.58, Δ5.86/11.72%)

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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.