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: 12270691 Question Mark
Grade: No. 620 Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1903 Question Mark
Run Quantity: 3,000 Question Mark
Grade/Model Run: 86 of 174 Question Mark
Grade/Model Total Production: 339,100 Question Mark
Variant Est. Production: 183,150 (16S-M1899-15J-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
Bridge Type: Center Question Mark
Regulator: Micrometric 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: 18118.G86.16S1602.161899M565.H5663.P4089.15J4237 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.465 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
558.35 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
508.09 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.555% Question Mark
Registry Population:
Scoped for This Run Only
19 (0.63%) Question Mark
$ Estimated Value (12 Month Change): 5.10% Analyzing 1,581 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 · March 10, 2021

Serial Number 12271956 was reported as accurate.

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

Anonymous · June 16, 2020

Serial Number 12270050 was reported as accurate.

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

Anonymous · June 16, 2020

Serial Number 12270050 was reported as accurate.

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

Anonymous · August 14, 2019

Serial Number 12270050 was reported as accurate.

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

Anonymous · May 31, 2019

Serial Number 12271807 was reported as accurate.

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

Anonymous · April 21, 2019

Serial Number 12269345 was reported as accurate.

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

Anonymous · December 25, 2018

Serial Number 12271413 was reported as accurate.

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

Anonymous · June 25, 2018

Serial Number 12269995 was reported as accurate.

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

scballer154 1 · February 19, 2018

Serial Number 12271809 was reported as accurate.

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

Anonymous · February 19, 2018

Serial Number 12271809 was reported as accurate.

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

cmdraven 4083 · October 30, 2017

Serial Number 12269690 was reported as accurate.

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

Anonymous · October 26, 2017

Serial Number 12269627 was reported as accurate.

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

Anonymous · September 5, 2016

Serial Number 12269280 was reported as accurate.

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

Anonymous · September 3, 2016

Serial Number 12271854 was reported as accurate.

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

Anonymous · August 14, 2014

Serial Number 12270022 was reported as accurate.

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

Anonymous · August 13, 2014

Serial Number 12269574 was reported as accurate.

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

Anonymous · August 12, 2014

Serial Number 12269574 was reported as accurate.

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

berrymartin 1 · May 26, 2014

Serial Number 12271839 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