Lancaster Watch Co. Pocket Watch: Serial Number 361053 (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/361053/movement

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:	361053
Grade:	Keystone Watch Co.
Variation:	15J-GD
Model:	3
Estimated Production Year:	1890
Run Quantity:	1,000
Grade/Model Run:	37 of 41
Grade/Model Total Production:	45,450
Variant Est. Production:	5,200 (18S-M3-15J-HDL)
Size:	18s
Jewels:	15j
Movement Configuration:	Hunting
Movement Finish:	Gilt Damaskeened
Movement Setting:	Lever
Plate:	3/4 Plate
Regulator:	Bitner
Adjusted:	Yes
Movement Markings:	Keystone Watch Co. Pat. Dust Proof. Safety Pinion Pat. S.W. Adjusted
Case:	Various
Run ID:	159.G52.18S110.183M47.H98.L94.15J38
Database Version:	v52.528
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	136.84
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	1,012.03
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	19.978%
Registry Population: Scoped for This Run Only	4 (0.40%)
Research Note: #361053, #361261: Gilt Damaskeened

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Production Metrics Tree: Grade Keystone Watch Co.

Target Profile: 18S-M3-15J-HDL-A-15J-GD

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-M3: 45,450 46.40% 18s, Grade Keystone Watch Co., Model 3			Other: 51,510 Other Models or Unclassified
18S-M3-15J: 20,450 20.88% 18s, Grade Keystone Watch Co., Model 3, 15 Jewels		Other: 25,000 Other Jewels or Unclassified
18S-M3-15J-HDL: 5,200 5.31% 18s, Grade Keystone Watch Co., Model 3, 15 Jewels, Hunting/Lever/Gilt Damaskeened	Other: 15,250 Other Configs or Unclassified
18S-M3-15J-HDL-A: 5,200 5.31%
18S-M3-15J-HDL-A-15J: 5,200 5.31%

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.