Pocket Watch Database


From the American Horology Archive:

American Waltham Watch Co.

Grade: Martyn Square

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 847256 Question Mark
Grade: Martyn Square Question Mark
Model: 1874 Question Mark
Estimated Production Date: January 1876 - February 28, 1876 Question Mark
Run Quantity: 80 Question Mark
Grade/Model Run: 15 of 28 Question Mark
Grade/Model Total Production: 3,152 Question Mark
Size: 10s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Adaptable Question Mark
Movement Setting: Key Question Mark
Plate: 3/4 Plate Question Mark
Balance Type: Solid Question Mark
Balance Material: Gold Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 5916.G31.10S290.101874M68.O5743.K5760.7J676 Question Mark
Data Research: c.1900 Waltham Factory Ledger Book 1 [NAWCC]
c.1900 Waltham Factory Ledgers [Ehrhardt Transcription]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.469 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
9.49 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
8.63 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.009% Question Mark
Registry Population:
Scoped for This Run Only
1 (1.25%) Question Mark

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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.


Anonymous · February 3, 2020

Serial Number 847256 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1874-10 to 1874
Adjusted changed from Yes to No

Anonymous · November 22, 2014

Serial Number 847288 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Factory Model changed from 1874-10 to 1874
Adjusted changed from Yes to No
Plate changed from Unknown to 3/4

Anonymous · November 28, 2012

Serial Number 847249 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1874-10 to 1874
Adjusted changed from Yes to No