Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 607

Mixed Run: 7-Jewel and 9-Jewel Movements

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 28676180
Grade: No. 607
Model: 1898
Estimated Production Year: 1935
Run Quantity: 23,000
Grade/Model Run: 1 of 1
Grade/Model Total Production: 23,000
Size: 6/0s
Jewels: 7j    Mixed Run
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Split Plate
Hairspring: Breguet
Adjusted: Yes
Railroad Grade: No
Case: Various
Run ID: 25553.G1.S447.M322.H8775.P10485.7J7582
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Database Version: v52.296
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
69.24
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
63.01
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.069%
Registry Population: 7 (0.03%)
Research Note: Waltham Serial Lists designate this run as "No. 607" with 7 Jewels. However, multiple reports have indicated 9-Jewel movements in run.

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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.


Rcardkidz 3577 · March 6, 2022

Serial Number 28674840 was reported as accurate.

Anonymous · February 13, 2022

Serial Number 28686558 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Plate changed from Unknown to 3/4 Split

Anonymous · July 18, 2020

Serial Number 28673304 was reported as accurate.

caseytronic 10 · December 6, 2019

Serial Number 28676180 was reported as inaccurate.

Note: 9 Jewel movement (not 7).
Changes since this report was submitted:
Plate changed from Unknown to 3/4 Split

Anonymous · October 5, 2019

Serial Number 28677455 was reported as accurate.

Rcardkidz 3577 · January 20, 2019

Serial Number 28679177 was reported as inaccurate.

Note: Marked 9 jewel
Changes since this report was submitted:
Plate changed from Unknown to 3/4 Split

petrisi 1 · August 27, 2018

Serial Number 28680677 was reported as inaccurate.

Note: marked 9 jewels
Changes since this report was submitted:
Plate changed from Unknown to 3/4 Split

daddo46 991 · March 19, 2017

Serial Number 28675485 was reported as accurate.

Anonymous · May 9, 2015

Serial Number 28688607 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting

Anonymous · February 2, 2014

Serial Number 28685876 was reported as inaccurate.

Note: Movement is marked 9 jewels.
Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting
Plate changed from Unknown to 3/4 Split

Anonymous · November 3, 2013

Serial Number 28685876 was reported as inaccurate.

Note: Nine Jewels. Probably a Hunter configuration as
the winding stem is at the three o'clock position.
But, it is mounted in a two piece wristwatch case.
Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting
Plate changed from Unknown to 3/4 Split