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: 12805869 Question Mark
Grade: No. 620 Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1903 Question Mark
Run Quantity: 3,500 Question Mark
Grade/Model Run: 95 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: 18518.G95.16S1711.161899M667.H5877.P4379.15J4285 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.518 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
21 (0.60%) Question Mark
$ Estimated Value (12 Month Change): 2.91% Analyzing 1,582 Sales Question Mark

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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.


jason4kstate 271 · June 21, 2024

Serial Number 12806982 was reported as accurate.

Anonymous · February 28, 2022

Serial Number 12807549 was reported as accurate.

cmdraven 4083 · September 20, 2021

Serial Number 12806962 was reported as accurate.

Anonymous · August 3, 2021

Serial Number 12805233 was reported as accurate.

PHIL1199 Supporter 1159 · December 4, 2019

Serial Number 12808104 was reported as accurate.

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

PHIL1199 Supporter 1159 · November 29, 2019

Serial Number 12808104 was reported as accurate.

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

Anonymous · November 27, 2019

Serial Number 12805233 was reported as accurate.

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

Anonymous · July 23, 2019

Serial Number 12805940 was reported as accurate.

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

Anonymous · April 11, 2019

Serial Number 12807585 was reported as accurate.

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

Anonymous · August 4, 2018

Serial Number 12805233 was reported as accurate.

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

Anonymous · June 21, 2018

Serial Number 12806724 was reported as accurate.

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

CaptJim 1 · April 11, 2018

Serial Number 12805479 was reported as accurate.

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

Anonymous · March 1, 2017

Serial Number 12807528 was reported as accurate.

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

Anonymous · January 27, 2017

Serial Number 12807170 was reported as accurate.

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

Anonymous · July 30, 2016

Serial Number 12805636 was reported as accurate.

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

Anonymous · March 31, 2016

Serial Number 12805692 was reported as accurate.

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

Anonymous · August 31, 2015

Serial Number 12807852 was reported as accurate.

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

Anonymous · August 21, 2015

Serial Number 12807852 was reported as accurate.

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

mtnpoppa 17 · August 19, 2013

Serial Number 12805757 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