Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: Ruby

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 18112990
Grade: Ruby
Model: Opera
Estimated Production Year: 1911
Run Quantity: 1,000
Grade/Model Run: 1 of 2
Grade/Model Total Production: 2,000
Size: 6/0s
Jewels: 17j
Movement Configuration: Openface
Movement Setting: Pendant
Hairspring: Breguet
Adjusted: Yes
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 21758.G34.S97.M2.O13531.P7010.17J2059
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
5.99
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
5.48
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.006%
Registry Population: 7 (0.70%)

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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.


Fifty50 Supporter 317 · May 4, 2021

Serial Number 18112620 was reported as accurate.

Anonymous · November 20, 2020

Serial Number 18113319 was reported as accurate.

Anonymous · October 30, 2019

Serial Number 18112955 was reported as accurate.

Anonymous · August 6, 2016

Serial Number 18112701 was reported as accurate.

Changes since this report was submitted:
Size changed from Jewel Series to 6/0