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: 360435
Grade: Keystone Watch Co.
Variation: 15J-GD
Model: 3
Estimated Production Year: 1890
Run Quantity: 500
Grade/Model Run: 35 of 41
Grade/Model Total Production: 45,450
Variant Est. Production: 5,200 (18S-M3-15J-HDL)
Size: 18s
Jewels: 15j
Movement Configuration: Hunting
Movement Finish: Gilt Damaskeened
Movement Setting: Lever
Plate: 3/4 Plate
Regulator: Bitner
Adjusted: Yes
Movement Markings: Keystone Watch Co.
Pat. Dust Proof.
Safety Pinion
Pat. S.W.
Adjusted
Pat. Reg.
Case: Various
Run ID: 157.G50.18S108.183M45.H96.L92.15J36
Database Version: v52.219
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: 2 (0.40%)
Research Note: #360435: Keystone Hands

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Lancaster Watch Co. Grade Keystone Watch Co. Pocket Watch