Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 628 Pocket Watch

American Waltham Watch Co.

Grade: No. 628

Possible Alias Grade for No. 625. See Research Notes.

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 15464175 Question Mark
Grade: No. 628 Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1906 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 2 of 4 Question Mark
Grade/Model Total Production: 2,300 Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Hunting Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Bridge Type: Center Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 20044.G2.16S2183.161899M1108.H6517.P5578.17J1522 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.62 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
6.02 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.007% Question Mark
Registry Population:
Scoped for This Run Only
5 (0.25%) Question Mark
Research Note: Waltham serial lists designate this run as Grade No. 628. However, #15464175 has been verified with matching shipping container that identifies the movement as "Grade No. 625."

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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 · April 17, 2022

Serial Number 15464175 was reported as inaccurate.

Note: Waltham Serial Number 15464175 is a 625 movement,
not 628.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · October 25, 2021

Serial Number 15463752 was reported as accurate.

Anonymous · July 28, 2020

Serial Number 15463630 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · March 20, 2020

Serial Number 15465488 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · February 15, 2020

Serial Number 15465488 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · February 15, 2020

Serial Number 15465488 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · February 13, 2020

Serial Number 15464448 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · March 20, 2017

Serial Number 15465211 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · August 25, 2016

Serial Number 15464551 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · June 29, 2016

Serial Number 15465153 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · February 8, 2015

Serial Number 15464799 was reported as accurate.

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

Anonymous · February 8, 2015

Serial Number 15464799 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade No. 628 Pocket Watch