Pocket Watch Database


From the American Horology Archive:
Waltham Grade No. 620 Pocket Watch
Waltham Grade No. 620 Pocket Watch

American Waltham Watch Co.

Grade: No. 620

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 9795579 Question Mark
Grade: No. 620 Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1900 Question Mark
Run Quantity: 4,000 Question Mark
Grade/Model Run: 32 of 174 Question Mark
Grade/Model Total Production: 339,100 Question Mark
Variant Est. Production: 183,150 (16S-M1899-15J-HNP) Question Mark
Size: 16s Question Mark
Jewels: 15j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Inlay Color: Black Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Bridge Type: Center Question Mark
Regulator: Micrometric Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Movement Markings: A.W.W.Co.
Waltham, Mass.
15 Jewels
Case: Various Question Mark
Run ID: 16613.G32.16S1150.161899M145.H4953.P2921.15J3917 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.457 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
558.35 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
508.09 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.555% Question Mark
Registry Population:
Scoped for This Run Only
21 (0.53%) Question Mark
$ Estimated Value (12 Month Change): 5.10% Analyzing 1,581 Sales 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 · May 9, 2021

Serial Number 9794402 was reported as accurate.

MoatsJustin1 top-contributor 5269 · June 9, 2020

Serial Number 9794300 was reported as accurate.

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

Anonymous · March 31, 2019

Serial Number 9793369 was reported as accurate.

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

Anonymous · March 12, 2019

Serial Number 9795786 was reported as accurate.

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

Anonymous · February 15, 2019

Serial Number 9793613 was reported as accurate.

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

Anonymous · November 16, 2018

Serial Number 9793456 was reported as accurate.

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

Anonymous · June 23, 2018

Serial Number 9794708 was reported as accurate.

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

Bildeborg 48 · May 10, 2018

Serial Number 9793804 was reported as accurate.

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

Anonymous · October 2, 2017

Serial Number 9793717 was reported as accurate.

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

Anonymous · May 12, 2017

Serial Number 9795516 was reported as accurate.

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

Anonymous · May 1, 2017

Serial Number 9794538 was reported as accurate.

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

Anonymous · February 5, 2017

Serial Number 9796948 was reported as accurate.

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

Anonymous · November 2, 2016

Serial Number 9793456 was reported as accurate.

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

Anonymous · September 8, 2016

Serial Number 9794011 was reported as accurate.

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

Anonymous · August 18, 2016

Serial Number 9795852 was reported as accurate.

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

cmdraven 4083 · June 3, 2016

Serial Number 9795524 was reported as accurate.

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

RoundRocker 14 · February 7, 2015

Serial Number 9795826 was reported as accurate.

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

cmdraven 4083 · July 9, 2014

Serial Number 9796433 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade No. 620 Pocket Watch
Waltham Grade No. 620 Pocket Watch