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: 21427192 Question Mark
Grade: No. 620 Question Mark
Model: 1908 Question Mark
Estimated Production Year: Login to View Question Mark
Run Quantity: Login to View Question Mark
Grade/Model Run: Login to View Question Mark
Grade/Model Total Production: Login to View Question Mark
Variant Est. Production: Login to View Question Mark
Size: 16s Question Mark
Jewels: 15j Question Mark
Jewel Setting: Login to View Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Inlay Color: Login to View Question Mark
Movement Setting: Pendant Question Mark
Wind Mechanism: Stem Question Mark
Plate: Bridge Plate Question Mark
Regulator: Login to View Question Mark
Hairspring: Login to View Question Mark
Adjusted: Login to View Question Mark
Railroad Grade: Login to View Question Mark
Movement Markings: Login to View
Case: Various Question Mark
Run ID: 23594.G311.16S3374.161908M939.O14647.P8686.15J5537 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.642 Question Mark
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population:
Scoped for This Run Only
8 (0.40%) Question Mark
$ Estimated Value (12 Month Change): 3.23% Analyzing 1,512 Sales Question Mark
12 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Variant Est. Production, Jewel Setting, Movement Inlay Color, Regulator Type, Hairspring, Adjustments, Railroad Grade Designation, Movement Markings

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.


jacastros 3 · February 27, 2021

Serial Number 21427323 was reported as accurate.

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

Anonymous · September 13, 2018

Serial Number 21426258 was reported as accurate.

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

Anonymous · September 29, 2014

Serial Number 21426426 was reported as accurate.

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

Anonymous · September 24, 2014

Serial Number 21426426 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