Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 623 Pocket Watch

American Waltham Watch Co.

Grade: No. 623

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 20825959 Question Mark
Grade: No. 623 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1916 Question Mark
Run Quantity: 2,200 Question Mark
Grade/Model Run: 11 of 11 Question Mark
Grade/Model Total Production: 10,000 Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 23351.G11.16S3315.161908M880.O14499.P8444.17J2429 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.452 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
21.22 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
19.31 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.021% Question Mark
Registry Population:
Scoped for This Run Only
11 (0.50%) 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 · September 10, 2023

Serial Number 20824465 was reported as accurate.

Anonymous · December 30, 2020

Serial Number 20825345 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Eltee120 Supporter 102 · March 31, 2019

Serial Number 20824904 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

geoulri1 Supporter 58 · July 6, 2018

Serial Number 20825959 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · July 13, 2017

Serial Number 20826271 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · January 29, 2014

Serial Number 20825455 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · January 29, 2014

Serial Number 20825455 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · August 13, 2013

Serial Number 20825655 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade No. 623 Pocket Watch