Lancaster Watch Co. Pocket Watch: Serial Number 310725 (Grade Keystone Watch Co.)

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Great Dustproof Keystone Watch Co 15j adj movt 18s pocket watch Ca 1889 great HC

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/keystone-standard-watch-co/310725

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:	310725
Grade:	Keystone Watch Co.
Variation:	10J-N
Model:	3
Estimated Production Year:	1885
Run Quantity:	3,000
Grade/Model Run:	5 of 41
Grade/Model Total Production:	45,450
Variant Est. Production:	9,800 (18S-M3-10J-HNL)
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. Pat. Dust Proof Patent Pinion Pat. S.W.
Case:	Various
Run ID:	117.G16.18S74.183M15.H63.L59.10J22
Database Version:	v52.529
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	136.84
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	19.978%
Registry Population: Scoped for This Run Only	3 (0.10%)
Research Note: #310100: Pallet bridge not jewelled, so 10 jewels is confirmed.

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Production Metrics Tree: Grade Keystone Watch Co.

Target Profile: 18S-M3-10J-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
18S-M3: 45,450 46.40% 18s, Grade Keystone Watch Co., Model 3			Other: 51,510 Other Models or Unclassified
18S-M3-10J: 22,700 23.17% 18s, Grade Keystone Watch Co., Model 3, 10 Jewels		Other: 22,750 Other Jewels or Unclassified
18S-M3-10J-HNL: 9,800 10.00% 18s, Grade Keystone Watch Co., Model 3, 10 Jewels, Hunting/Lever/Nickel	Other: 12,900 Other Configs or Unclassified
18S-M3-10J-HNL-U: 9,800 10.00%
18S-M3-10J-HNL-U-10J: 9,800 10.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 3 watches in the population registry for this run with 1 image. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

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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.