Pocket Watch Database


From the American Horology Archive:
Waltham Grade No. 18 Pocket Watch
Waltham Grade No. 18 Pocket Watch

American Waltham Watch Co.

Grade: No. 18

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 21279835 Question Mark
Grade: No. 18 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1917 Question Mark
Run Quantity: 4,000 Question Mark
Grade/Model Run: 240 of 247 Question Mark
Grade/Model Total Production: 646,314 Question Mark
Size: 18s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant 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: 23540.G240.18S12150.181883M3452.O14621.P8632.7J6910 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.508 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1,248.61 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1,136.23 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.241% Question Mark
Registry Population:
Scoped for This Run Only
8 (0.20%) Question Mark
$ Estimated Value (12 Month Change): 4.00% Analyzing 1,137 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 · February 17, 2021

Serial Number 21282838 was reported as accurate.

Anonymous · February 1, 2021

Serial Number 21280678 was reported as accurate.

Anonymous · August 5, 2020

Serial Number 21280461 was reported as accurate.

Anonymous · February 11, 2020

Serial Number 21280172 was reported as accurate.

kimelberg 1 · February 8, 2020

Serial Number 21282086 was reported as accurate.

Anonymous · July 29, 2019

Serial Number 21280251 was reported as accurate.

Anonymous · August 15, 2018

Serial Number 21281831 was reported as accurate.

Anonymous · December 12, 2017

Serial Number 21279130 was reported as accurate.

Anonymous · August 19, 2017

Serial Number 21279030 was reported as accurate.

Anonymous · January 23, 2016

Serial Number 21279127 was reported as accurate.

Anonymous · July 28, 2015

Serial Number 21279689 was reported as accurate.

Anonymous · January 30, 2015

Serial Number 21281800 was reported as accurate.

Anonymous · April 1, 2014

Serial Number 21280392 was reported as inaccurate.

Note: nickel finish

Anonymous · April 2, 2013

Serial Number 21282767 was reported as accurate.

Anonymous · February 12, 2013

Serial Number 21281136 was reported as accurate.

Waltham Grade No. 18 Pocket Watch
Waltham Grade No. 18 Pocket Watch