Lancaster Watch Co. Pocket Watch: Serial Number 207938 (Grade Keystone Watch Co.)

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Great Dustproof Keystone Watch Co 15j adj movt 18s pocket watch Ca 1889 great HC

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/lancaster-watch-co/207938/link

Access Date: December 30, 2024

From the American Horology Archive:

Lancaster Watch Co.

Grade: Keystone Watch Co.

Manufacturer:	Lancaster Watch Co.
Manufacturer Location:	Lancaster, Pennsylvania
Movement Serial Number:	207938
Grade:	Keystone Watch Co.
Variation:	7J-G
Model:	2
Estimated Production Year:	1884
Run Quantity:	10,000
Grade/Model Run:	4 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:	102.G8.18S66.182M29.H52.L48.7J23
Database Version:	v52.528
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	82.79
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	612.25
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	12.088%
Registry Population: Scoped for This Run Only	7 (0.07%)

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Production Metrics Tree: Grade Keystone Watch Co.

Target Profile: 18S-M2-7J-HGL-U-7J-G

Lancaster Watch Co. Grade Keystone Watch Co. (All Variations): 97,960 ETP
18S: 96,960 98.98% 18s, Grade Keystone Watch Co.			Other: 1,000 Other Sizes or Unclassified
18S-M2: 27,500 28.07% 18s, Grade Keystone Watch Co., Model 2		Other: 69,460 Other Models or Unclassified
18S-M2-7J: 25,000 25.52% 18s, Grade Keystone Watch Co., Model 2, 7 Jewels	Other: 2,500 Other Jewels or Unclassified
18S-M2-7J-HGL: 25,000 25.52% 18s, Grade Keystone Watch Co., Model 2, 7 Jewels, Hunting/Lever/Gilt
18S-M2-7J-HGL-U: 25,000 25.52%
18S-M2-7J-HGL-U-7J: 25,000 25.52%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 7 watches in the population registry for this run with 4 images. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

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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.