Pocket Watch Database


From the American Horology Archive:
Waltham Grade Riverside Pocket Watch

American Waltham Watch Co.

Grade: Riverside

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 910960 Question Mark
Grade: Riverside Question Mark
Model: 1873 Question Mark
Estimated Production Date: October 1876 - May 1877 Question Mark
Run Quantity: 208 Question Mark
Grade/Model Run: 86 of 196 Question Mark
Grade/Model Total Production: 38,391 Question Mark
Size: 8s Question Mark
Jewels: 11j Question Mark
Movement Configuration: Hunting Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 6287.G122.8S94.81873M94.H239.L228.11J3602 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: v52.473 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
91.14 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
82.93 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.091% Question Mark
Registry Population:
Scoped for This Run Only
4 (1.92%) Question Mark
$ Estimated Value (12 Month Change): -14.61% Analyzing 1,475 Sales 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.


Carrato 96 · February 15, 2015

Serial Number 910873 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No
Waltham Grade Riverside Pocket Watch