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: 12107970 Question Mark
Grade: No. 18 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1903 Question Mark
Run Quantity: 3,000 Question Mark
Grade/Model Run: 142 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: 18049.G142.18S10911.181883M2516.O11486.P4027.7J5284 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.467 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
12 (0.40%) Question Mark
$ Estimated Value (12 Month Change): 4.00% Analyzing 1,136 Sales Question Mark
Research Note: Waltham serial lists designate this run as "7-11" Jewels.

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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 · May 16, 2023

Serial Number 12109304 was reported as accurate.

Anonymous · March 21, 2021

Serial Number 12107592 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J

cmdraven 4083 · December 5, 2020

Serial Number 12109287 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J

Anonymous · February 9, 2020

Serial Number 12109420 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J

Anonymous · November 17, 2019

Serial Number 12108005 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J

Anonymous · October 14, 2018

Serial Number 12106946 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J

Anonymous · June 20, 2016

Serial Number 12109304 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J
Movement Finish changed from Gilt or Nickel to Nickel

Anonymous · June 4, 2016

Serial Number 12109304 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J
Movement Finish changed from Gilt or Nickel to Nickel

Anonymous · February 14, 2016

Serial Number 12107828 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 7J
Movement Finish changed from Gilt or Nickel to Nickel
Waltham Grade No. 18 Pocket Watch
Waltham Grade No. 18 Pocket Watch