Pocket Watch Database


From the American Horology Archive:
Waltham Grade No. 820 Pocket Watch

American Waltham Watch Co.

Grade: No. 820

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 11185103 Question Mark
Grade: No. 820 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1902 Question Mark
Run Quantity: 2,500 Question Mark
Grade/Model Run: 83 of 224 Question Mark
Grade/Model Total Production: 413,500 Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Full Plate Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 17506.G83.18S10702.181883M2366.O11200.P3605.15J4091 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.516 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
874.33 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
795.64 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.869% Question Mark
Registry Population:
Scoped for This Run Only
13 (0.52%) Question Mark
$ Estimated Value (12 Month Change): -6.25% Analyzing 1,259 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.


Rcardkidz 4100 · May 25, 2024

Serial Number 11183940 was reported as accurate.

jaspurlock2012 Supporter 125 · August 8, 2023

Serial Number 11185103 was reported as accurate.

Anonymous · March 6, 2022

Serial Number 11183606 was reported as accurate.

Chronified Supporter 212 · February 23, 2022

Serial Number 11184067 was reported as accurate.

Anonymous · October 20, 2020

Serial Number 11185159 was reported as accurate.

Anonymous · March 20, 2020

Serial Number 11184994 was reported as accurate.

Rhetaperry 1 · February 6, 2020

Serial Number 11184807 was reported as accurate.

Anonymous · July 6, 2018

Serial Number 11184444 was reported as accurate.

Anonymous · November 3, 2016

Serial Number 11185266 was reported as accurate.

Anonymous · January 24, 2016

Serial Number 11183790 was reported as accurate.

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

Anonymous · July 30, 2014

Serial Number 11185266 was reported as accurate.

Anonymous · July 22, 2014

Serial Number 11184767 was reported as accurate.

Anonymous · December 12, 2013

Serial Number 11184628 was reported as accurate.

Anonymous · July 28, 2013

Serial Number 11183904 was reported as accurate.

Waltham Grade No. 820 Pocket Watch