U.S. Watch Co. (Waltham, Mass) Pocket Watch: Serial Number 90802 (Grade 40)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/90802

Access Date: April 28, 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.

The United States Watch Co. of Waltham, Massachusetts should not be confused with the more common American Waltham Watch Co. If the movement is NOT marked "U.S. Watch Co." or "United States Watch Co." please conduct a lookup under the American Waltham Watch Company.

From the American Horology Archive:

U.S. Watch Co. (Waltham, Mass)

Grade: 40

Manufacturer:	U.S. Watch Co. (Waltham, Mass)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	90802
Grade:	40
Model:	1888h
Estimated Production Year:	1893
Run Quantity:	50
Grade/Model Run:	2 of 6
Grade/Model Total Production:	600
Variant Est. Production:	110 (18S-M1888H-16J-HTL)
Size:	18s
Jewels:	16j
Jewel Material:	Ruby
Jewel Setting:	Screw-Set
Movement Configuration:	Hunting
Movement Finish:	Two-Tone
Movement Setting:	Lever
Plate:	Full Plate
Train:	Quick
Regulator:	Micrometric
Hairspring:	Breguet
Standard Dial Type:	Double-Sunk
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted to Temperature:	Yes
Movement Markings:	U.S. Watch Co. Waltham, Mass. Adjusted
Case:	Various
Run ID:	132.40G2.18S48.M42.H91.L91.16J3
Database Version:	v52.245
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	1.80
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	12.07
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.179%
Registry Population:	1 (2.00%)

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Production Metrics Tree: Grade 40

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

U.S. Watch Co. (Waltham, Mass) Grade 40 (All Variations): 600 ETP
18S: 600 100.00% 18s, Grade 40
18S-M1888H: 600 100.00% 18s, Grade 40, Model 1888h
18S-M1888H-16J: 550 91.67% 18s, Grade 40, Model 1888h, 16 Jewels		Other: 50 Other Jewels or Unclassified
18S-M1888H-16J-HTL: 110 18.33% 18s, Grade 40, Model 1888h, 16 Jewels, Hunting/Lever/Two-Tone	Other: 440 Other Configs or Unclassified
18S-M1888H-16J-HTL-APT: 110 18.33%

Population Registry for This Run

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