Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: A.W.Co.

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 548744
Grade: A.W.Co.
Model: 1870
Estimated Production Date: June 1871 - September 1, 1871
Run Quantity: 400
Grade/Model Run: 1 of 5
Grade/Model Total Production: 450
Size: 14s
Jewels: 7j
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: 3/4 Plate
Balance Type: Solid
Balance Material: Steel
Railroad Grade: No
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
Case: Various
Run ID: 4962.G2.14S19.141870M19.O4947.K4950.7J399
Database Version: v52.249
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1.35
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.23
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.001%
Registry Population: 4 (1.00%)

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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 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