Pocket Watch Database

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

American Waltham Watch Co.

Grade: Astronomical Sidereal

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 18091096
Grade: Astronomical Sidereal
Model: 1892
Estimated Production Year: 1910
Run Quantity: 100
Grade/Model Run: 3 of 4
Grade/Model Total Production: 325
Size: 18s
Jewels: 19j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Full Plate
Regulator: Ohlson 1908
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: Yes
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 21724.G3.18S11976.181892M572.O13506.P6988.19J362
Database Version: v52.221
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
0.97
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.89
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.001%
Registry Population: 2 (2.00%)

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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 · 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