Waltham Pocket Watch: Serial Number 17939 (Grade A.T. & Co.)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/17939

Access Date: January 29, 2023

From the American Horology Archive:

American Waltham Watch Co.

Grade: A.T. & Co.

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	17939
Grade:	A.T. & Co.
Model:	1857
Estimated Production Date:	July 1859
Run Quantity:	10
Grade/Model Total Production:	63,278
Size:	18s
Jewels:	16j
Jewel Setting:	Screw-Set
Movement Configuration:	Adaptable
Movement Finish:	Gilt
Movement Signing Style:	Serif (Decorative)
Movement Inlay Color:	None
Movement Setting:	Key
Plate:	Full Plate
Balance Type:	Solid
Balance Material:	Gold
Regulator:	Undersprung
Adjusted:	No
Movement Markings:	Appleton, Tracy & Co. Waltham, Mass.
Data Research:	c.1900 Waltham Factory Ledgers 1954 Waltham "Gray Book" List
Case:	Various
Registry Population:	1 (10.00%)
Database Version:	v49.712
Research Note: Waltham Serial Ledgers record this run as featuring 16 Jewels. However, #17939 has been verified with only 15 Jewels.

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
1		17939	#9	Collection	March 16, 2017
Standard Deviation of Known Examples: 0.00 (Expected: 3.03, Δ3.03/30.28%)

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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.