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: 17350459 Question Mark
Grade: No. 620 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1908 Question Mark
Run Quantity: 3,000 Question Mark
Grade/Model Run: 31 of 197 Question Mark
Grade/Model Total Production: 354,099 Question Mark
Variant Est. Production: 189,599 (16S-M1908-15J-ONP) Question Mark
Size: 16s Question Mark
Jewels: 15j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface 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: 21331.G205.16S2616.161908M191.O13287.P6635.15J4936 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
612.99 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
557.82 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.609% Question Mark
Registry Population:
Scoped for This Run Only
16 (0.53%) Question Mark
$ Estimated Value (12 Month Change): 6.82% Analyzing 1,500 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 · June 9, 2023

Serial Number 17352823 was reported as accurate.

Anonymous · May 28, 2021

Serial Number 17350403 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Nickel

Anonymous · May 28, 2021

Serial Number 17350403 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Nickel

Anonymous · January 13, 2021

Serial Number 17350403 was reported as accurate.

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

Anonymous · November 7, 2020

Serial Number 17352325 was reported as accurate.

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

Geoffallsopp 1 · February 1, 2020

Serial Number 17351859 was reported as accurate.

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

JACove 1 · July 14, 2019

Serial Number 17351532 was reported as accurate.

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

Anonymous · July 14, 2019

Serial Number 17351532 was reported as accurate.

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

Anonymous · November 25, 2018

Serial Number 17352752 was reported as accurate.

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

Anonymous · November 8, 2018

Serial Number 17352752 was reported as accurate.

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

nicnic Supporter 406 · May 12, 2018

Serial Number 17352721 was reported as accurate.

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

Anonymous · August 2, 2017

Serial Number 17350578 was reported as accurate.

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

Anonymous · December 3, 2016

Serial Number 17351830 was reported as accurate.

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

Anonymous · October 20, 2016

Serial Number 17351245 was reported as accurate.

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

Anonymous · March 10, 2016

Serial Number 17350600 was reported as accurate.

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

Anonymous · February 3, 2015

Serial Number 17351900 was reported as accurate.

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

jimbuys2013 11 · October 31, 2014

Serial Number 17352148 was reported as accurate.

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

Anonymous · June 7, 2014

Serial Number 17352303 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