Pocket Watch Database


From the American Horology Archive:
Waltham Grade Am.W.Co. Pocket Watch

American Waltham Watch Co.

Grade: Am.W.Co.

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 20640968 Question Mark
Grade: Am.W.Co. Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1916 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 47 of 48 Question Mark
Grade/Model Total Production: 99,950 Question Mark
Size: 18s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Key Question Mark
Plate: Full Plate Question Mark
Regulator: Plain Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 23262.G707.18S12113.181883M3415.O14440.K9170.7J6793 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.631 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
271.37 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
248.75 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.268% Question Mark
Registry Population:
Scoped for This Run Only
6 (0.60%) Question Mark
$ Estimated Value (12 Month Change): -10.00% Analyzing 80 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.


Anonymous · October 22, 2024

Serial Number 20640434 was reported as accurate.

Anonymous · September 27, 2024

Serial Number 20640434 was reported as accurate.

Anonymous · September 22, 2024

Serial Number 20640434 was reported as accurate.

Anonymous · March 6, 2021

Serial Number 20640306 was reported as accurate.

Anonymous · May 24, 2020

Serial Number 20640393 was reported as accurate.

martinmj 24 · April 11, 2020

Serial Number 20640269 was reported as accurate.

Anonymous · February 7, 2020

Serial Number 20640107 was reported as accurate.

ashleigh 56 · March 17, 2019

Serial Number 20640019 was reported as accurate.

Anonymous · March 10, 2019

Serial Number 20640019 was reported as inaccurate.

Note: As described but is key wind & key set
Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Gilt

carole1951 63 · June 23, 2016

Serial Number 20640056 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Gilt
Railroad Grade changed from ? to No

Anonymous · March 21, 2016

Serial Number 20640056 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Gilt
Railroad Grade changed from ? to No

Anonymous · March 7, 2015

Serial Number 20640417 was reported as accurate.

Waltham Grade Am.W.Co. Pocket Watch