Pocket Watch Database

From the American Horology Archive:
Lancaster Watch Co. Grade Keystone Watch Co. Pocket Watch
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: 356108 Question Mark
Grade: Keystone Watch Co. Question Mark
Variation: 7J-G Question Mark
Model: 2 Question Mark
Estimated Production Year: 1886 Question Mark
Run Quantity: 5,000 Question Mark
Grade/Model Run: 8 of 9 Question Mark
Grade/Model Total Production: 27,500 Question Mark
Variant Est. Production: 25,000 (18S-M2-7J) 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.
Case: Various Question Mark
Run ID: 156.G49.18S107.182M34.H95.L91.7J30 Question Mark
Database Version: v52.526 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
82.79 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
612.25 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
12.088% Question Mark
Registry Population:
Scoped for This Run Only
5 (0.10%) Question Mark

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Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.


HerbertTrw Supporter 143 · December 12, 2023

Serial Number 358593 was reported as accurate.

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