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Movement Specs Production Pop. Registry 1 Value For Sale Save to My Collection Print Page
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Great Dustproof Keystone Watch Co 15j adj movt 18s pocket watch Ca 1889 great HC
$225.00
Check Price Source: eBay.com
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/lancaster-watch-co/308079
Access Date: December 31, 2024
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: 308079 Question Mark
Grade: Keystone Watch Co. Question Mark
Variation: 7J-G Question Mark
Model: 3 Question Mark
Estimated Production Year: 1885 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 4 of 41 Question Mark
Grade/Model Total Production: 45,450 Question Mark
Variant Est. Production: 2,100 (18S-M3-7J) 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.
Pat. Dust Proof
Patent Pinion
Pat. S.W.
Case: Various Question Mark
Run ID: 116.G15.18S73.183M14.H62.L58.7J27 Question Mark
Database Version: v52.530 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 136.84 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 1,012.03 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 19.978% Question Mark
Registry Population:
Scoped for This Run Only		1 (0.05%) Question Mark
Research Note: #308079: Verified with Series 4 Winding/Setting Mechanism.
Value Guide
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Production Metrics Tree: Grade Keystone Watch Co.

Target Profile: 18S-M3-7J-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-M3: 45,450 46.40%
18s, Grade Keystone Watch Co., Model 3		 Other: 51,510
Other Models or Unclassified
18S-M3-7J: 2,100 2.14%
18s, Grade Keystone Watch Co., Model 3, 7 Jewels		 Other: 43,350
Other Jewels or Unclassified
18S-M3-7J-HGL: 2,100 2.14%
18s, Grade Keystone Watch Co., Model 3, 7 Jewels, Hunting/Lever/Gilt
18S-M3-7J-HGL-U: 2,100 2.14%
18S-M3-7J-HGL-U-7J: 2,100 2.14%

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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Lancaster Watch Co. Grade Keystone Watch Co. Pocket Watch