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: 22747835 Question Mark
Grade: No. 620 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1919 Question Mark
Run Quantity: 5,000 Question Mark
Grade/Model Run: 172 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: 24252.G346.16S3600.161908M1153.O15077.P9268.15J5711 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.467 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
22 (0.44%) Question Mark
$ Estimated Value (12 Month Change): 1.15% Analyzing 1,497 Sales Question Mark
Research Note: Some movements in this run feature gold-flashed train plates.

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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 · January 16, 2024

Serial Number 22746699 was reported as accurate.

Anonymous · February 27, 2023

Serial Number 22746089 was reported as accurate.

Anonymous · February 26, 2023

Serial Number 22746089 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · February 13, 2022

Serial Number 22744465 was reported as inaccurate.

Note: This one is gold flashed movement.
Curator Response: Thanks for the confirmation!

Anonymous · October 10, 2021

Serial Number 22747334 was reported as accurate.

giddykippa 235 · August 30, 2020

Serial Number 22746494 was reported as accurate.

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

Anonymous · January 27, 2020

Serial Number 22744753 was reported as accurate.

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

Anonymous · January 27, 2020

Serial Number 22744753 was reported as accurate.

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

Anonymous · January 20, 2020

Serial Number 22744753 was reported as accurate.

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

QueenBee53 1 · August 29, 2019

Serial Number 22745503 was reported as accurate.

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

Anonymous · August 29, 2019

Serial Number 22745503 was reported as accurate.

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

Anonymous · June 26, 2019

Serial Number 22743817 was reported as accurate.

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

Anonymous · March 20, 2018

Serial Number 22745531 was reported as inaccurate.

Note: this has a Nickel Finish - looks like the top
photo in the circle -
Changes since this report was submitted:
Movement Finish changed from Gold Flashed to Nickel
Plate changed from 3/4 to Bridge

Anonymous · March 25, 2017

Serial Number 22747835 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Gold Flashed to Nickel
Plate changed from 3/4 to Bridge

Anonymous · March 3, 2017

Serial Number 22747835 was reported as inaccurate.

Note: The plates on my movement are gold colored nickel
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · December 11, 2016

Serial Number 22744807 was reported as accurate.

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

texnet 684 · October 30, 2016

Serial Number 22745776 was reported as accurate.

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

Anonymous · June 12, 2016

Serial Number 22744392 was reported as accurate.

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

Anonymous · May 3, 2016

Serial Number 22746374 was reported as accurate.

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

Anonymous · December 14, 2015

Serial Number 22744392 was reported as accurate.

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

Anonymous · June 15, 2015

Serial Number 22743217 was reported as accurate.

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

Anonymous · May 22, 2015

Serial Number 22745670 was reported as accurate.

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

Anonymous · March 7, 2015

Serial Number 22743629 was reported as accurate.

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

bman8030 54 · August 8, 2014

Serial Number 22745558 was reported as accurate.

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

Anonymous · July 30, 2013

Serial Number 22747563 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