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

Mixed Run: 15-Jewel and 16-Jewel Movements

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 9753026 Question Mark
Grade: No. 620 Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1900 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 30 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: 16595.G30.16S1142.161899M137.H4944.P2904.15J3913 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.505 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
13 (0.65%) Question Mark
$ Estimated Value (12 Month Change): 2.91% Analyzing 1,582 Sales Question Mark
Research Note: Waltham Serial Lists designate this run as "15-16" Jewels.

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 4090 · August 9, 2024

Serial Number 9751804 was reported as accurate.

Anonymous · December 4, 2020

Serial Number 9751942 was reported as accurate.

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

Mowerman666 13 · June 15, 2019

Serial Number 9753493 was reported as inaccurate.

Note: 16 jewells
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · May 26, 2018

Serial Number 9752562 was reported as inaccurate.

Note: My watch engraving states "15 Jewels".
Changes since this report was submitted:
Jewels changed from 16j to 15j
Plate changed from 3/4 to Bridge

tonydeniz 26 · January 30, 2015

Serial Number 9751861 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 16j to 15j
Plate changed from 3/4 to Bridge

tonydeniz 26 · January 29, 2015

Serial Number 9751861 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 16j to 15j
Plate changed from 3/4 to Bridge

Anonymous · August 8, 2014

Serial Number 9752950 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 16j to 15j
Plate changed from 3/4 to Bridge

Anonymous · January 12, 2014

Serial Number 9752156 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Jewels changed from 16j to 15j
Plate changed from 3/4 to Bridge

Anonymous · January 12, 2014

Serial Number 9752156 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 16j to 15j
Plate changed from 3/4 to Bridge

Anonymous · September 30, 2013

Serial Number 9752713 was reported as inaccurate.

Note: you have this marked as a 16 jewel. Mine is a 15
jewel
Changes since this report was submitted:
Jewels changed from 16j to 15j
Plate changed from 3/4 to Bridge

Anonymous · September 14, 2013

Serial Number 9751870 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 16j to 15j
Plate changed from 3/4 to Bridge
Waltham Grade No. 620 Pocket Watch
Waltham Grade No. 620 Pocket Watch