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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/lancaster-watch-co/304120
https://pocketwatchdatabase.com/search/result/lancaster-watch-co/304120
Access Date: December 30, 2024
From the American Horology Archive:
Lancaster Watch Co.
Grade: Keystone Watch Co.
| Manufacturer: | Lancaster Watch Co. |  |
| Manufacturer Location: | Lancaster, Pennsylvania | |
| Movement Serial Number: | 304120 | |
| Grade: | Keystone Watch Co. | |
| Variation: | 10J-N | |
| Model: | 4 | |
| Estimated Production Year: | 1884 | |
| Run Quantity: | 5,000 | |
| Grade/Model Run: | 3 of 5 | |
| Grade/Model Total Production: | 8,310 | |
| Variant Est. Production: | 5,000 (18S-M4-10J) | |
| Size: | 18s | |
| Jewels: | 10j | |
| 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 |
|
| Case: | Various | |
| Run ID: | 114.G13.18S71.184M3.H60.L56.10J21 | |
| Database Version: | v52.529 | |
| 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 | 6 (0.12%) | |
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Research Note: Movements feature smooth bump profile and balance cock is flush with top plate. These were produced just before the dust-proof models were introduced. #302653, #304633, #306776: Plate shaped similar to dust-proof model. However, the dust-proof window is not present and the plate is not marked dust proof. #306776, #304518, #304120: Additionally Marked "Pat. S.W." #301004: Verified as movement with 17+ jewels in raise gold settings (inconsistent with other movements of the same grade).
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Production Metrics Tree: Grade Keystone Watch Co.
Target Profile: 18S-M4-10J-HNL-U-10J-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-M4-10J: 5,000 5.10% 18s, Grade Keystone Watch Co., Model 4, 10 Jewels |
Other: 3,310
Other Jewels or Unclassified |
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| 18S-M4-10J-HNL: 5,000 5.10% 18s, Grade Keystone Watch Co., Model 4, 10 Jewels, Hunting/Lever/Nickel |
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| 18S-M4-10J-HNL-U: 5,000 5.10% | |||
| 18S-M4-10J-HNL-U-10J: 5,000 5.10% | |||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
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There are 6 watches in the population registry for this run with 3 images.
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Verification Reports for this Run
There are currently no verifications for this range.
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This WatchFrom This RunImage Source/Credit: eBay Auction
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From This RunImage Source/Credit: eBay Auction
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From This RunImage Source/Credit: eBay Auction
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Image Source/Credit: eBay Auction
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uploaded by CotsRaymond
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Image Source/Credit: eBay Auction