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: 350345
Grade: Keystone Watch Co.
Variation: 15J-N
Model: 3
Estimated Production Year: 1889
Run Quantity: 1,500
Grade/Model Run: 28 of 41
Grade/Model Total Production: 45,450
Variant Est. Production: 8,550 (18S-M3-15J-HNL-A)
Size: 18s
Jewels: 15j
Movement Configuration: Hunting
Movement Finish: Nickel
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: 149.G42.18S100.183M38.H88.L84.15J29
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: 7 (0.47%)
Research Note: #350250: Celluloid Dial, Filled Gilt Keystone Hands. #350345: Celluloid Dial, Gilt Keystone Hands. #350152: Filled Gilt Keystone Hands, Enamel Dial. #350921: Patented Dial, Filled Gilt Keystone Hands

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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.


Anonymous · May 12, 2022

Serial Number 350988 was reported as accurate.

Cpmeadors Supporter 35 · December 20, 2021

Serial Number 350152 was reported as accurate.

Lancaster Watch Co. Grade Keystone Watch Co. Pocket Watch