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

(Alternatively Grade No. 625) Mixed Run: 15-Jewel and 17-Jewel Movements

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 12441174 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: 90 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    Mixed Run 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: 18175.G90.16S1618.161899M579.H5699.P4137.15J4256 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
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
14 (0.47%) 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.


Rcardkidz 4135 · May 27, 2024

Serial Number 12441442 was reported as accurate.

Anonymous · July 17, 2023

Serial Number 12439435 was reported as accurate.

Anonymous · June 21, 2023

Serial Number 12439435 was reported as accurate.

bobone 22 · September 23, 2022

Serial Number 12441294 was reported as inaccurate.

Note: watch is marked 15 jewels
Changes since this report was submitted:
Jewels changed from 17j to 15j

orrelse Supporter 13 · January 23, 2022

Serial Number 12441174 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 17j to 15j

strap89 11 · July 24, 2020

Serial Number 12439696 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 17j to 15j
Plate changed from 3/4 to Bridge

Anonymous · April 25, 2020

Serial Number 12440484 was reported as inaccurate.

Note: my watch is marked 17 jewels
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · January 27, 2020

Serial Number 12439480 was reported as accurate.

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

dscottgoodrick 142 · March 12, 2017

Serial Number 12439885 was reported as accurate.

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

Anonymous · November 16, 2016

Serial Number 12439982 was reported as inaccurate.

Note: Watch is stamped 17 jewels
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · August 7, 2016

Serial Number 12439883 was reported as accurate.

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

Anonymous · April 28, 2015

Serial Number 12439809 was reported as accurate.

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

Anonymous · December 2, 2014

Serial Number 12441884 was reported as inaccurate.

Note: 15 jewels
Changes since this report was submitted:
Jewels changed from 17j to 15j
Plate changed from 3/4 to Bridge

Anonymous · February 9, 2014

Serial Number 12440385 was reported as inaccurate.

Note: 15jewels
Changes since this report was submitted:
Jewels changed from 17j to 15j
Plate changed from 3/4 to Bridge

Anonymous · December 18, 2013

Serial Number 12441946 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 17j to 15j
Plate changed from 3/4 to Bridge

jacobwalls07 143 · September 23, 2013

Serial Number 12439396 was reported as inaccurate.

Note: Mine is 15 jewel
Changes since this report was submitted:
Jewels changed from 17j to 15j
Plate changed from 3/4 to Bridge
Waltham Grade No. 620 Pocket Watch
Waltham Grade No. 620 Pocket Watch