Pocket Watch Database

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/95087
Access Date: November 10, 2024

Due to the lack of existing factory records, our U.S. Watch Co. (Waltham, Mass) database has been reconstructed using observations of known watches.
As a result, the information may contain inaccuracies. Please let us know if you have details that can improve the database.

From the American Horology Archive:
U.S. Watch Co. (Waltham, Mass) Grade 40 Pocket Watch
U.S. Watch Co. (Waltham, Mass)

Grade: 40

Manufacturer: U.S. Watch Co. (Waltham, Mass) Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 95087 Question Mark
Grade: 40 Question Mark
Model: 1888h Question Mark
Estimated Production Year: 1893 Question Mark
Run Quantity: 40 Question Mark
Grade/Model Run: 4 of 6 Question Mark
Grade/Model Total Production: 450 Question Mark
Variant Est. Production: 240 (18S-M1888H-16J-HNL-APT) Question Mark
Size: 18s Question Mark
Jewels: 16j Question Mark
Jewel Material: Ruby Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Train: Quick Question Mark
Regulator: Micrometric Question Mark
Hairspring: Breguet Question Mark
Standard Dial Type: Double-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted to Temperature: Yes Question Mark
Movement Markings: U.S. Watch Co.
Waltham, Mass.
Adjusted
16 Jewels
Case: Various Question Mark
Run ID: 143.40G4.18S58.M52.H101.L101.16J5 Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 1.35 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 9.00 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.132% Question Mark
Registry Population:
Scoped for This Run Only		1 (2.50%) Question Mark
Value Guide
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Production Metrics Tree: Grade 40

Target Profile: 18S-M1888H-16J-HNL-APT

U.S. Watch Co. (Waltham, Mass) Grade 40 (All Variations): 450 ETP
18S: 450 100.00%
18s, Grade 40
18S-M1888H: 450 100.00%
18s, Grade 40, Model 1888h
18S-M1888H-16J: 400 88.89%
18s, Grade 40, Model 1888h, 16 Jewels		 Other: 50
Other Jewels or Unclassified
18S-M1888H-16J-HNL: 290 64.44%
18s, Grade 40, Model 1888h, 16 Jewels, Hunting/Lever/Nickel 		Other: 110
Other Configs or Unclassified
18S-M1888H-16J-HNL-APT: 240 53.33% Other: 50
Other Adjustments or Unclassified

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.
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U.S. Watch Co. (Waltham, Mass) Grade 40 Pocket Watch