Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/lancaster-watch-co/300198
https://pocketwatchdatabase.com/search/result/lancaster-watch-co/300198
Access Date: March 02, 2025
From the American Horology Archive:
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Lancaster Watch Co.
Grade: Keystone Watch Co.
Manufacturer: | Lancaster Watch Co. | ![]() |
Manufacturer Location: | Lancaster, Pennsylvania | ![]() |
Movement Serial Number: | 300198 | ![]() |
Grade: | Keystone Watch Co. | ![]() |
Variation: | 15J-N | ![]() |
Model: | 4 | ![]() |
Estimated Production Year: | 1884 | ![]() |
Run Quantity: | 2,000 | ![]() |
Grade/Model Run: | 2 of 5 | ![]() |
Grade/Model Total Production: | 8,310 | ![]() |
Variant Est. Production: | 2,000 (18S-M4-15J-HNL) | ![]() |
Size: | 18s | ![]() |
Jewels: | 15j | ![]() |
Movement Configuration: | Hunting | ![]() |
Movement Finish: | Nickel | ![]() |
Movement Setting: | Lever | ![]() |
Plate: | 3/4 Plate | ![]() |
Regulator: | Bitner | ![]() |
Adjusted: | No | ![]() |
Railroad Grade: | No | ![]() |
Movement Markings: | Keystone Watch Co. Patent Pinion Pat. S.W. |
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Case: | Various | ![]() |
Run ID: | 113.G12.18S70.184M2.H59.L55.15J22 | ![]() |
Database Version: | v52.618 | ![]() |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 25.02 | ![]() |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 184.86 | ![]() |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 3.653% | ![]() |
Registry Population: Scoped for This Run Only | 2 (0.10%) | ![]() |
Research Note: #300198: Verified with gold Keystone hands.
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Production Metrics Tree: Grade Keystone Watch Co.
Target Profile: 18S-M4-15J-HNL-U-15J-N
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 |
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18S-M4: 8,310 8.48% 18s, Grade Keystone Watch Co., Model 4 |
Other: 88,650
Other Models or Unclassified |
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18S-M4-15J: 2,300 2.35% 18s, Grade Keystone Watch Co., Model 4, 15 Jewels |
Other: 6,010
Other Jewels or Unclassified |
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18S-M4-15J-HNL: 2,000 2.04% 18s, Grade Keystone Watch Co., Model 4, 15 Jewels, Hunting/Lever/Nickel |
Other: 300
Other Configs or Unclassified |
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18S-M4-15J-HNL-U: 2,000 2.04% | ||||
18S-M4-15J-HNL-U-15J: 2,000 2.04% |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
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There are 2 watches in the population registry for this run with 1 image.
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Verification Reports for this Run
There are currently no verifications for this range.

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This WatchFrom This Run
uploaded by CotsRaymond
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Image Source/Credit: eBay Auction
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uploaded by BSArocket3
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Image Source/Credit: eBay Auction
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Image Source/Credit: eBay Auction
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Image Source/Credit: eBay Auction