Pocket Watch Database

From the American Horology Archive:
Waltham Grade 8 Day Pocket Watch

American Waltham Watch Co.

Grade: 8 Day

Chronometer

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 16630662
Grade: 8 Day
Variation: Chronometer
Model: 1910
Estimated Production Year: 1910
Run Quantity: 3,000
Grade/Model Run: 1 of 139
Grade/Model Total Production: 806,000
Size: 37s
Jewels: 15j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Hairspring: Breguet
Adjusted: Yes
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 20828.G1.37S1.371910M1.O13011.P6199.15J4837
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
2,426.68
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
2,208.28
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.412%
Registry Population: 4 (0.13%)

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Does this information describe your movement accurately?

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 · August 27, 2023

Serial Number 16629604 was reported as inaccurate.

Note: Mine has two small dials. One shows fully wound
the other says Waltham 8 day. At the bottom is a
larger dial for seconds. The movement is 15
jewels. I will upload pictures if you like
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · February 25, 2021

Serial Number 16630689 was reported as accurate.

Anonymous · February 2, 2021

Serial Number 16628814 was reported as accurate.

Anonymous · June 12, 2020

Serial Number 16630637 was reported as accurate.

Anonymous · February 26, 2020

Serial Number 16630548 was reported as accurate.

Anonymous · July 25, 2019

Serial Number 16628683 was reported as accurate.

Anonymous · December 9, 2018

Serial Number 16630499 was reported as accurate.

Anonymous · October 15, 2018

Serial Number 16629506 was reported as accurate.

Anonymous · April 24, 2018

Serial Number 16630815 was reported as accurate.

Anonymous · February 13, 2018

Serial Number 16631044 was reported as accurate.

Anonymous · January 29, 2018

Serial Number 16630792 was reported as accurate.

Anonymous · November 26, 2017

Serial Number 16630342 was reported as accurate.

Anonymous · November 19, 2017

Serial Number 16628531 was reported as accurate.

Anonymous · June 19, 2017

Serial Number 16630815 was reported as accurate.

Anonymous · October 20, 2016

Serial Number 16629971 was reported as accurate.

ptybin 24 · October 11, 2014

Serial Number 16630662 was reported as accurate.

fordcasa Top Contributor Supporter 434 · May 29, 2014

Serial Number 16628897 was reported as inaccurate.

Note: 37s 8 Day Adjusted
Nickel 3/4 plate
Changes since this report was submitted:
Size changed from Unknown to 37
Plate changed from Unknown to 3/4

Anonymous · March 2, 2014

Serial Number 16630499 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Size changed from Unknown to 37
Plate changed from Unknown to 3/4

Anonymous · August 1, 2013

Serial Number 16629798 was reported as accurate.

Waltham Grade 8 Day Pocket Watch