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: 11242887 Question Mark
Grade: No. 820 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1902 Question Mark
Run Quantity: 1,100 Question Mark
Grade/Model Run: 84 of 224 Question Mark
Grade/Model Total Production: 413,500 Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever 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: 17536.G84.18S10711.181883M2375.H5383.L4462.15J4100 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.526 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
370.62 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
337.27 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.368% Question Mark
Registry Population:
Scoped for This Run Only
7 (0.64%) 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.


jefraldo 1 · August 25, 2023

Serial Number 11242225 was reported as accurate.

Anonymous · December 7, 2018

Serial Number 11242040 was reported as accurate.

Anonymous · July 12, 2018

Serial Number 11242040 was reported as accurate.

Anonymous · April 3, 2018

Serial Number 11242321 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · January 28, 2018

Serial Number 11242071 was reported as accurate.

Anonymous · February 18, 2017

Serial Number 11242487 was reported as accurate.

Anonymous · January 14, 2017

Serial Number 11242071 was reported as accurate.

rayfield 16 · September 6, 2014

Serial Number 11242584 was reported as accurate.

Waltham Grade No. 820 Pocket Watch