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: 11328703 Question Mark
Grade: No. 620 Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1902 Question Mark
Run Quantity: 2,500 Question Mark
Grade/Model Run: 62 of 174 Question Mark
Grade/Model Total Production: 339,100 Question Mark
Variant Est. Production: 153,450 (16S-M1899-15J-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
Bridge Type: Center 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: 17571.G62.16S1442.161899M414.O11235.P3662.15J4117 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
462.60 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
420.97 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.460% Question Mark
Registry Population:
Scoped for This Run Only
15 (0.60%) Question Mark
$ Estimated Value (12 Month Change): 4.76% Analyzing 1,584 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.


hudnic Supporter 78 · November 10, 2022

Serial Number 11328220 was reported as accurate.

HenryJo 3 · January 15, 2021

Serial Number 11328418 was reported as accurate.

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

Anonymous · December 1, 2018

Serial Number 11328685 was reported as accurate.

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

Alarson81 1 · March 14, 2018

Serial Number 11327683 was reported as accurate.

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

Anonymous · March 14, 2018

Serial Number 11327683 was reported as accurate.

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

Anonymous · February 1, 2018

Serial Number 11328719 was reported as accurate.

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

Anonymous · June 24, 2016

Serial Number 11328703 was reported as accurate.

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

Anonymous · June 23, 2016

Serial Number 11328703 was reported as accurate.

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

Anonymous · May 31, 2015

Serial Number 11327324 was reported as accurate.

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

dwillis205 Supporter 13 · April 12, 2015

Serial Number 11328118 was reported as accurate.

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

Anonymous · February 18, 2013

Serial Number 11327096 was reported as accurate.

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