Pocket Watch Database

Movement Specs Production Pop. Registry 4 Value For Sale Save to My Collection Print Page
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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/keystone-standard-watch-co/379453
Access Date: December 18, 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: 379453 Question Mark
Grade: Keystone Watch Co. Question Mark
Variation: No. 5 Question Mark
Model: 5 Question Mark
Estimated Production Year: 1890 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 3 of 6 Question Mark
Grade/Model Total Production: 14,700 Question Mark
Variant Est. Production: 6,700 (18S-M5-15J-HGL) Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Gilt 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
Case: Various Question Mark
Run ID: 168.G58.18S116.185M3.H106.L102.15J44 Question Mark
Database Version: v52.515 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		4 (0.20%) Question Mark
Research Note: #380499, 380555: Verified as Post-Dust-Proof Plate but still marked as "Pat. Dust Proof." #379453: Not Marked "Pat. Dust Proof."
Value Guide
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Production Metrics Tree: Grade Keystone Watch Co.

Target Profile: 18S-M5-15J-HGL-A-NO. 5

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-HGL: 6,700 6.84%
18s, Grade Keystone Watch Co., Model 5, 15 Jewels, Hunting/Lever/Gilt 		Other: 2,000
Other Configs or Unclassified
18S-M5-15J-HGL-A: 6,700 6.84%
18S-M5-15J-HGL-A-NO. 5: 6,700 6.84%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 4 watches in the population registry for this run with 2 images.
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Lancaster Watch Co. Grade Keystone Watch Co. Pocket Watch