Pocket Watch Database

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/lancaster-watch-co/25736
Access Date: February 17, 2025
From the American Horology Archive:
Lancaster Watch Co. Grade Keystone Pocket Watch
Lancaster Watch Co.

Grade: Keystone

Manufacturer: Lancaster Watch Co. Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 25736 Question Mark
Grade: Keystone Question Mark
Variation: No. 4 Question Mark
Model: 2 Question Mark
Estimated Production Year: 1881 Question Mark
Run Quantity: 1,400 Question Mark
Grade/Model Run: 3 of 3 Question Mark
Grade/Model Total Production: 3,900 Question Mark
Variant Est. Production: 1,400 (18S-M2-15J-HGP) Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Balance Type: Expansion Question Mark
Train: Quick Question Mark
Regulator: Mixed Question Mark
Adjusted: Yes Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Movement Markings: Keystone
Lancaster, Pa.
Patent Safety Pinion
Adjusted
Case: Various Question Mark
Run ID: 28.G6.18S18.182M9.H12.P4.15J9 Question Mark
Database Version: v52.608 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 11.74 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 86.64 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 1.714% Question Mark
Registry Population:
Scoped for This Run Only		2 (0.14%) Question Mark
Value Guide
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Production Metrics Tree: Grade Keystone

Target Profile: 18S-M2-15J-HGP-ATI-NO. 4

Lancaster Watch Co. Grade Keystone (All Variations): 6,100 ETP
18S: 6,100 100.00%
18s, Grade Keystone
18S-M2: 3,900 63.93%
18s, Grade Keystone, Model 2		 Other: 2,200
Other Models or Unclassified
18S-M2-15J: 3,900 63.93%
18s, Grade Keystone, Model 2, 15 Jewels
18S-M2-15J-HGP: 1,400 22.95%
18s, Grade Keystone, Model 2, 15 Jewels, Hunting/Pendant/Gilt 		Other: 2,500
Other Configs or Unclassified
18S-M2-15J-HGP-ATI: 1,400 22.95%
18S-M2-15J-HGP-ATI-NO. 4: 1,400 22.95%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 2 watches in the population registry for this run with 1 image.
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Lancaster Watch Co. Grade Keystone Pocket Watch