Pocket Watch Database


From the American Horology Archive:

American Waltham Watch Co.

Grade: A.T. & Co.

First Run of Fogg's Patent Pinion

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 175451 Question Mark
Grade: A.T. & Co. Question Mark
Model: 1862 Question Mark
Estimated Production Date: June 1865 - December 1865 Question Mark
Run Quantity: 250 Question Mark
Grade/Model Run: 14 of 19 Question Mark
Grade/Model Total Production: 2,094 Question Mark
Size: 20s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Key Question Mark
Plate: 3/4 Plate Question Mark
Barrel: Going Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Case: Various Question Mark
Run ID: 2880.G787.20S20.201862M20.O2877.K2879.15J676 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: v52.517 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.30 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
5.73 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.006% Question Mark
Registry Population:
Scoped for This Run Only
6 (2.40%) Question Mark
Research Note: This is the first known run of Waltham movements fitted with Fogg's Patented Safety Pinion.

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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.


USNRet 140 · March 16, 2018

Serial Number 175454 was reported as accurate.

Anonymous · October 24, 2017

Serial Number 175559 was reported as accurate.

Anonymous · June 13, 2017

Serial Number 175485 was reported as accurate.

Anonymous · June 13, 2017

Serial Number 175485 was reported as accurate.

Anonymous · October 9, 2016

Serial Number 175503 was reported as accurate.

watchman1159 22 · March 6, 2016

Serial Number 175554 was reported as accurate.

Anonymous · July 19, 2014

Serial Number 175587 was reported as inaccurate.

No further details were submitted with the report.