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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/keystone-standard-watch-co/314066
https://pocketwatchdatabase.com/search/result/keystone-standard-watch-co/314066
Access Date: May 31, 2025
From the American Horology Archive:

Lancaster Watch Co.
Grade: Keystone Watch Co.
Manufacturer: | Lancaster Watch Co. |
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Manufacturer Location: | Lancaster, Pennsylvania |
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Movement Serial Number: | 314066 |
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Grade: | Keystone Watch Co. |
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Variation: | 15J-N |
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Model: | 3 |
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Estimated Production Year: | 1885 |
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Run Quantity: | 2,000 |
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Grade/Model Run: | 6 of 41 |
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Grade/Model Total Production: | 45,450 |
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Variant Est. Production: | 8,550 (18S-M3-15J-HNL-A) |
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Size: | 18s |
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Jewels: | 15j |
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Movement Configuration: | Hunting |
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Movement Finish: | Nickel |
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Movement Setting: | Lever |
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Plate: | 3/4 Plate |
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Regulator: | Bitner |
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Adjusted: | Yes |
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Movement Markings: |
Keystone Watch Co. Pat. Dust Proof Patent Pinion Pat. S.W. Adjusted |
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Case: | Various | ![]() |
Run ID: | 118.G17.18S75.183M16.H64.L60.15J23 | ![]() |
Database Version: | v52.678 | ![]() |
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Registry Population: Scoped for This Run Only | 2 (0.10%) | ![]() |
Research Note: #314066: Verified with "Patented" dial and gilt Keystone hands.
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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.
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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 TimFitz
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From This Run
uploaded by mlat2012
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Image Source/Credit: Jones & Horan Auctions
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Image Source/Credit: eBay Auction
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Image Source/Credit: Jones & Horan Auctions
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uploaded by pwilliams9874
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uploaded by Alan4321