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: 11964461 Question Mark
Grade: No. 620 Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1902 Question Mark
Run Quantity: 4,000 Question Mark
Grade/Model Run: 79 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: 17860.G79.16S1530.161899M495.H5534.P3906.15J4206 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.526 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
23 (0.58%) Question Mark
$ Estimated Value (12 Month Change): 4.76% Analyzing 1,584 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 16, 2024

Serial Number 11966078 was reported as accurate.

Anonymous · May 14, 2022

Serial Number 11963992 was reported as accurate.

Anonymous · April 26, 2022

Serial Number 11966243 was reported as accurate.

Anonymous · February 24, 2021

Serial Number 11964860 was reported as accurate.

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

Anonymous · May 7, 2020

Serial Number 11963724 was reported as accurate.

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

Anonymous · March 28, 2020

Serial Number 11964037 was reported as accurate.

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

Anonymous · January 14, 2020

Serial Number 11966621 was reported as accurate.

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

Rcardkidz 4135 · August 24, 2019

Serial Number 11967091 was reported as accurate.

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

Anonymous · May 13, 2017

Serial Number 11964718 was reported as accurate.

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

perryseagles 25 · February 4, 2016

Serial Number 11964538 was reported as accurate.

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

Anonymous · December 29, 2015

Serial Number 11963942 was reported as accurate.

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

bigben 1 · May 24, 2015

Serial Number 11964744 was reported as accurate.

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

Anonymous · May 24, 2015

Serial Number 11964744 was reported as accurate.

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

AllanB 21 · May 6, 2014

Serial Number 11964857 was reported as accurate.

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

Anonymous · December 20, 2013

Serial Number 11965116 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