Pocket Watch Database

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.
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 334800
Grade: Keystone Watch Co.
Variation: 10J-GD
Model: 3
Estimated Production Year: 1888
Run Quantity: 1,600
Grade/Model Run: 20 of 41
Grade/Model Total Production: 45,450
Variant Est. Production: 7,400 (18S-M3-10J-HDL)
Size: 18s
Jewels: 10j
Movement Configuration: Hunting
Movement Finish: Gilt Damaskeened
Movement Setting: Lever
Plate: 3/4 Plate
Regulator: Bitner
Adjusted: No
Railroad Grade: No
Movement Markings: Keystone Watch Co.
Pat. Dust Proof
Patent Pinion
Pat. S.W.
Pat. Reg.
Case: Various
Run ID: 136.G32.18S90.183M30.H79.L75.10J31
Database Version: v52.221
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
136.08
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1,012.03
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
19.987%
Registry Population: 8 (0.50%)

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Lancaster Watch Co. Grade Keystone Watch Co. Pocket Watch