Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/lancaster-watch-co/307548/link
https://pocketwatchdatabase.com/search/result/lancaster-watch-co/307548/link
Access Date: March 08, 2025
From the American Horology Archive:

Lancaster Watch Co.
Grade: Keystone Watch Co.
Manufacturer: | Lancaster Watch Co. | ![]() |
Manufacturer Location: | Lancaster, Pennsylvania | ![]() |
Movement Serial Number: | 307548 | ![]() |
Grade: | Keystone Watch Co. | ![]() |
Variation: | 7J-G | ![]() |
Model: | 4 | ![]() |
Estimated Production Year: | 1884 | ![]() |
Run Quantity: | 1,000 | ![]() |
Grade/Model Run: | 4 of 5 | ![]() |
Grade/Model Total Production: | 8,310 | ![]() |
Variant Est. Production: | 1,000 (18S-M4-7J) | ![]() |
Size: | 18s | ![]() |
Jewels: | 7j | ![]() |
Movement Configuration: | Hunting | ![]() |
Movement Finish: | Gilt | ![]() |
Movement Setting: | Lever | ![]() |
Plate: | 3/4 Plate | ![]() |
Regulator: | Plain | ![]() |
Adjusted: | No | ![]() |
Railroad Grade: | No | ![]() |
Movement Markings: | Keystone Watch Co. Patent Pinion |
|
Case: | Various | ![]() |
Run ID: | 115.G14.18S72.184M4.H61.L57.7J26 | ![]() |
Database Version: | v52.621 | ![]() |
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 | 1 (0.10%) | ![]() |
Production Metrics Tree: Grade Keystone Watch Co.
Target Profile: 18S-M4-7J-HGL-U-7J-G
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 |
||
18S-M4: 8,310 8.48% 18s, Grade Keystone Watch Co., Model 4 |
Other: 88,650
Other Models or Unclassified |
||
18S-M4-7J: 1,000 1.02% 18s, Grade Keystone Watch Co., Model 4, 7 Jewels |
Other: 7,310
Other Jewels or Unclassified |
||
18S-M4-7J-HGL: 1,000 1.02% 18s, Grade Keystone Watch Co., Model 4, 7 Jewels, Hunting/Lever/Gilt |
|||
18S-M4-7J-HGL-U: 1,000 1.02% | |||
18S-M4-7J-HGL-U-7J: 1,000 1.02% |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There is 1 watch in the population registry for this run with 1 image.
|
Help Us Help Others By Improving the Database:
Does this information describe your movement accurately?
Verification Reports for this Run
There are currently no verifications for this range.

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