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: 21980465 Question Mark
Grade: No. 620 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1918 Question Mark
Run Quantity: 3,000 Question Mark
Grade/Model Run: 156 of 197 Question Mark
Grade/Model Total Production: 354,099 Question Mark
Variant Est. Production: 149,500 (16S-M1908-15J-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
Regulator: Church 1892 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: 23806.G330.16S3432.161908M992.H8087.P8895.15J5602 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.450 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
453.12 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
412.34 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.450% Question Mark
Registry Population:
Scoped for This Run Only
14 (0.47%) Question Mark
$ Estimated Value (12 Month Change): 1.15% Analyzing 1,497 Sales Question Mark

Help Us Help Others By Improving the Database:

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 8, 2024

Serial Number 21981279 was reported as accurate.

PHIL1199 Supporter 1124 · May 9, 2024

Serial Number 21980114 was reported as accurate.

Anonymous · March 4, 2023

Serial Number 21981855 was reported as accurate.

2251lyle 78 · October 16, 2022

Serial Number 21979286 was reported as accurate.

Rcardkidz 4054 · April 24, 2022

Serial Number 21981131 was reported as accurate.

foy1foy 2 · April 24, 2022

Serial Number 21979005 was reported as accurate.

2251lyle 78 · April 2, 2022

Serial Number 21979286 was reported as accurate.

2251lyle 78 · April 2, 2022

Serial Number 21979286 was reported as inaccurate.

Note: my watch is openface
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

2251lyle 78 · March 2, 2022

Serial Number 21979286 was reported as accurate.

PHIL1199 Supporter 1124 · September 16, 2021

Serial Number 21981788 was reported as accurate.

Anonymous · March 5, 2021

Serial Number 21981670 was reported as accurate.

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

Fakwtc17 33 · January 5, 2021

Serial Number 21981600 was reported as accurate.

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

gergnosretep Supporter 26 · November 4, 2020

Serial Number 21980454 was reported as accurate.

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

Anonymous · July 1, 2019

Serial Number 21980711 was reported as accurate.

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

Anonymous · April 9, 2019

Serial Number 21981441 was reported as accurate.

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

Anonymous · April 9, 2019

Serial Number 21981441 was reported as accurate.

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

Anonymous · August 5, 2018

Serial Number 21979286 was reported as inaccurate.

Note: My watch is OF, Not hunting.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection so we can take a closer look.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · March 6, 2018

Serial Number 21980297 was reported as accurate.

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

Anonymous · December 5, 2017

Serial Number 21979286 was reported as accurate.

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

Anonymous · September 27, 2017

Serial Number 21979286 was reported as accurate.

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

darkstar 247 · January 12, 2016

Serial Number 21981659 was reported as inaccurate.

Note: movement finish......nickel
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · January 12, 2016

Serial Number 21981659 was reported as accurate.

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

JimBo31 Supporter 24 · July 28, 2015

Serial Number 21980465 was reported as accurate.

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

Anonymous · March 16, 2015

Serial Number 21981024 was reported as accurate.

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

Anonymous · July 6, 2013

Serial Number 21980477 was reported as accurate.

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

Anonymous · May 4, 2013

Serial Number 21979655 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