Pocket Watch Database

Movement Specs Production Pop. Registry 1 Value For Sale Save to My Collection Print Page
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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/lancaster-watch-co/500921
Access Date: March 07, 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: 500921 Question Mark
Grade: Keystone Watch Co. Question Mark
Variation: 15J-N Question Mark
Model: 5 Question Mark
Estimated Production Year: 1891 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 5 of 6 Question Mark
Grade/Model Total Production: 14,700 Question Mark
Variant Est. Production: 2,000 (18S-M5-15J-HNL) Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Regulator: Bitner Question Mark
Adjusted: Yes Question Mark
Movement Markings: Keystone Watch Co.
Adjusted
Safety Pinion
Case: Various Question Mark
Run ID: 185.G62.18S128.185M12.H119.L115.15J47 Question Mark
Database Version: v52.621 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 44.26 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 327.17 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 6.462% Question Mark
Registry Population:
Scoped for This Run Only		1 (0.10%) Question Mark
Value Guide
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Production Metrics Tree: Grade Keystone Watch Co.

Target Profile: 18S-M5-15J-HNL-A-15J-N

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-M5: 14,700 15.01%
18s, Grade Keystone Watch Co., Model 5		 Other: 82,260
Other Models or Unclassified
18S-M5-15J: 8,700 8.88%
18s, Grade Keystone Watch Co., Model 5, 15 Jewels		 Other: 6,000
Other Jewels or Unclassified
18S-M5-15J-HNL: 2,000 2.04%
18s, Grade Keystone Watch Co., Model 5, 15 Jewels, Hunting/Lever/Nickel 		Other: 6,700
Other Configs or Unclassified
18S-M5-15J-HNL-A: 2,000 2.04%
18S-M5-15J-HNL-A-15J: 2,000 2.04%

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.
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Lancaster Watch Co. Grade Keystone Watch Co. Pocket Watch