Pocket Watch Database


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

American Waltham Watch Co.

Grade: No. 820

Mixed Run: 15-Jewel and 17-Jewel Movements

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 12213043 Question Mark
Grade: No. 820 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1903 Question Mark
Run Quantity: 1,500 Question Mark
Grade/Model Run: 112 of 224 Question Mark
Grade/Model Total Production: 413,500 Question Mark
Size: 18s Question Mark
Jewels: 17j    Mixed Run 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: 18098.G112.18S10922.181883M2527.H5650.L4582.17J939 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
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
11 (0.73%) 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.


jdmartin 1 · July 27, 2020

Serial Number 12213086 was reported as inaccurate.

Note: My 12213086 is a 17 jewel model. Not 15.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Jewels changed from 15j to 17j

MoatsJustin1 top-contributor 5272 · May 13, 2020

Serial Number 12213067 was reported as inaccurate.

Note: 17j and not 15j as mentioned above
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Jewels changed from 15j to 17j

MoatsJustin1 top-contributor 5272 · May 13, 2020

Serial Number 12213067 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 15j to 17j

Anonymous · April 15, 2017

Serial Number 12214221 was reported as inaccurate.

Note: Movement No. 12214221 is a 15 jewel

ccnumis 145 · March 3, 2017

Serial Number 12213947 was reported as accurate.

Anonymous · March 2, 2015

Serial Number 12213986 was reported as inaccurate.

Note: it says 17 jewels
Changes since this report was submitted:
Jewels changed from 15j to 17j
Waltham Grade No. 820 Pocket Watch