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: 13670824 Question Mark
Grade: No. 18 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1904 Question Mark
Run Quantity: 5,000 Question Mark
Grade/Model Run: 170 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: 18962.G170.18S11207.181883M2745.O11944.P4747.7J5547 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.528 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
20 (0.40%) Question Mark
$ Estimated Value (12 Month Change): 8.00% Analyzing 1,139 Sales Question Mark

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.


cbzimm Supporter 469 · February 27, 2024

Serial Number 13668653 was reported as accurate.

Anonymous · April 23, 2020

Serial Number 13669024 was reported as accurate.

Anonymous · March 23, 2020

Serial Number 13667492 was reported as accurate.

barabiznak 1 · November 24, 2018

Serial Number 13667498 was reported as accurate.

Anonymous · April 27, 2018

Serial Number 13668710 was reported as accurate.

Anonymous · November 25, 2017

Serial Number 13666537 was reported as accurate.

Steve24 6 · September 25, 2015

Serial Number 13670824 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Nickel

Anonymous · December 16, 2014

Serial Number 13670824 was reported as accurate.

cmdraven 4083 · March 25, 2014

Serial Number 13668026 was reported as accurate.

Anonymous · January 28, 2013

Serial Number 13667911 was reported as accurate.

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