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Movement Specs Production Pop. Registry 1 Value For Sale Save to My Collection Print Page
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Antique Keystone Watch Co. Pocket Watch 18 Size 10J in Silver Case!
$99.95
Check Price Source: eBay.com
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/lancaster-watch-co/219134
Access Date: April 25, 2025
From the American Horology Archive:
Lancaster Watch Co. Grade Keystone Watch Co. Pocket Watch
Lancaster Watch Co.

Grade: Keystone Watch Co.

Manufacturer: Lancaster Watch Co. Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 219134 Question Mark
Grade: Keystone Watch Co. Question Mark
Variation: 7J-G Question Mark
Model: 2 Question Mark
Estimated Production Year: 1884 Question Mark
Run Quantity: 3,000 Question Mark
Grade/Model Run: 5 of 9 Question Mark
Grade/Model Total Production: 27,500 Question Mark
Variant Est. Production: 25,000 (18S-M2-7J) Question Mark
Size: 18s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Regulator: Plain Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Movement Markings: Keystone Watch Co.
Case: Various Question Mark
Run ID: 104.G9.18S68.182M31.H54.L50.7J25 Question Mark
Database Version: v52.640 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 83.33 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 612.25 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 12.088% Question Mark
Registry Population:
Scoped for This Run Only		1 (0.03%) Question Mark
Research Note: #219134: Verified with Series 3 Winding/Setting Mechanism.
Value Guide
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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 is 1 watch in the population registry for this run with 1 image.
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Verification Reports for this Run

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Lancaster Watch Co. Grade Keystone Watch Co. Pocket Watch