Pocket Watch Database

Movement Specs Production Pop. Registry 2 Value For Sale Save to My Collection Print Page
Save to My Collection Print Page
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/keystone-standard-watch-co/344432
Access Date: April 02, 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: 344432 Question Mark
Grade: Keystone Watch Co. Question Mark
Variation: 15J-GD Question Mark
Model: 3 Question Mark
Estimated Production Year: 1889 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 26 of 41 Question Mark
Grade/Model Total Production: 45,450 Question Mark
Variant Est. Production: 5,200 (18S-M3-15J-HDL) Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Gilt Damaskeened 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.
Pat. Dust Proof.
Safety Pinion
Pat. S.W.
Adjusted
Pat. Reg.
Case: Various Question Mark
Run ID: 145.G39.18S97.183M36.H86.L82.15J27 Question Mark
Database Version: v52.633 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 137.73 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		2 (0.40%) Question Mark
Value Guide
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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
There are 2 watches in the population registry for this run with 1 image.
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Lancaster Watch Co. Grade Keystone Watch Co. Pocket Watch