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: 8420066 Question Mark
Grade: No. 18 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1898 Question Mark
Run Quantity: 5,000 Question Mark
Grade/Model Run: 29 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: 15946.G29.18S10076.181883M1855.O10372.P2378.7J4576 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
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
15 (0.30%) 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 · April 6, 2023

Serial Number 8419818 was reported as accurate.

Anonymous · January 22, 2022

Serial Number 8419373 was reported as accurate.

Anonymous · November 29, 2021

Serial Number 8420510 was reported as accurate.

Anonymous · June 23, 2020

Serial Number 8422518 was reported as accurate.

Anonymous · February 20, 2020

Serial Number 8420463 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · February 20, 2020

Serial Number 8420463 was reported as accurate.

Anonymous · December 5, 2019

Serial Number 8420129 was reported as accurate.

WatchDee 19 · May 30, 2018

Serial Number 8421117 was reported as accurate.

Anonymous · May 25, 2018

Serial Number 8421692 was reported as accurate.

Anonymous · December 3, 2016

Serial Number 8421342 was reported as accurate.

AlbyS1 12 · September 3, 2016

Serial Number 8419402 was reported as accurate.

mynamesnotsurely 7 · June 3, 2016

Serial Number 8421819 was reported as inaccurate.

Note: Movement finish is nickel.
Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Nickel

Anonymous · August 9, 2015

Serial Number 8422225 was reported as accurate.

Anonymous · April 25, 2014

Serial Number 8420171 was reported as accurate.

Anonymous · October 12, 2013

Serial Number 8420752 was reported as accurate.

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