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
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 15464175
Grade: No. 628
Model: 1899
Estimated Production Year: 1906
Run Quantity: 2,000
Grade/Model Run: 2 of 4
Grade/Model Total Production: 2,300
Size: 16s
Jewels: 17j
Movement Configuration: Hunting
Movement Setting: Pendant
Plate: Bridge Plate
Bridge Type: Center
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 20044.G2.16S2183.161899M1108.H6521.P5579.17J1520
Database Version: v52.246
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.62
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
6.02
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.007%
Registry Population: 5 (0.25%)
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