Lancaster Watch Co. Pocket Watch: Serial Number 338390 (Grade Keystone Watch Co.)

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1884 Dustproof Keystone Watch Co 15j Adjusted 18s Railroad pocket Watch

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/lancaster-watch-co/338390/movement

Access Date: June 08, 2025

From the American Horology Archive:

Lancaster Watch Co.

Grade: Keystone Watch Co.

Manufacturer:	Lancaster Watch Co.
Manufacturer Location:	Lancaster, Pennsylvania
Movement Serial Number:	338390
Grade:	Keystone Watch Co.
Variation:	7J-G
Model:	2
Estimated Production Year:	1890
Run Quantity:	1,000
Grade/Model Run:	7 of 9
Grade/Model Total Production:	27,500
Variant Est. Production:	25,000 (18S-M2-7J)
Size:	18s
Jewels:	7j
Movement Configuration:	Hunting
Movement Finish:	Gilt
Movement Setting:	Lever
Plate:	3/4 Plate
Regulator:	Plain
Adjusted:	No
Railroad Grade:	No
Movement Markings:	Keystone Watch Co.
Case:	Various
Run ID:	139.G34.18S92.182M33.H81.L77.7J28
Database Version:	v52.704
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Registry Population: Scoped for This Run Only	1 (0.10%)

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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.