Pocket Watch Database


From the American Horology Archive:

American Waltham Watch Co.

Grade: A.W.Co.

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 548744 Question Mark
Grade: A.W.Co. Question Mark
Model: 1870 Question Mark
Estimated Production Date: June 1871 - September 1, 1871 Question Mark
Run Quantity: 400 Question Mark
Grade/Model Run: 1 of 5 Question Mark
Grade/Model Total Production: 450 Question Mark
Size: 14s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Key Question Mark
Plate: 3/4 Plate Question Mark
Balance Type: Solid Question Mark
Balance Material: Steel Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 4962.G2.14S19.141870M19.O4938.K4952.7J399 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: v52.457 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
1.23 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.001% Question Mark
Registry Population:
Scoped for This Run Only
4 (1.00%) 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 · September 13, 2021

Serial Number 548806 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1870-14 to 1870

Anonymous · September 9, 2020

Serial Number 548718 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1870-14 to 1870

winterwolf Supporter 97 · April 19, 2019

Serial Number 548744 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1870-14 to 1870

Anonymous · December 29, 2016

Serial Number 548820 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 15j to 7J
Factory Model changed from 1870-14 to 1870