Pocket Watch Database

From the American Horology Archive:
Waltham Grade Astronomical Sidereal Pocket Watch

American Waltham Watch Co.

Grade: Astronomical Sidereal

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 18091096 Question Mark
Grade: Astronomical Sidereal Question Mark
Model: 1892 Question Mark
Estimated Production Year: 1910 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 3 of 4 Question Mark
Grade/Model Total Production: 325 Question Mark
Size: 18s Question Mark
Jewels: 19j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Full Plate Question Mark
Regulator: Ohlson 1908 Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 21724.G3.18S11976.181892M572.O13494.P6986.19J362 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.450 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
0.98 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.89 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
2 (2.00%) 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 · October 26, 2023

Serial Number 18091059 was reported as accurate.

Anonymous · November 24, 2022

Serial Number 18091001 was reported as accurate.

Anonymous · November 24, 2022

Serial Number 18091001 was reported as accurate.

Anonymous · December 6, 2021

Serial Number 18091092 was reported as accurate.

Anonymous · April 12, 2019

Serial Number 18091032 was reported as accurate.

Anonymous · December 26, 2017

Serial Number 18091092 was reported as accurate.

Anonymous · January 17, 2017

Serial Number 18091037 was reported as accurate.

Anonymous · December 3, 2016

Serial Number 18091037 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Nickel

chronofil 24 · July 19, 2013

Serial Number 18091096 was reported as accurate.

chronofil 24 · July 19, 2013

Serial Number 18091096 was reported as accurate.

Anonymous · December 24, 2012

Serial Number 18091096 was reported as accurate.

Waltham Grade Astronomical Sidereal Pocket Watch