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: 17682760 Question Mark
Grade: No. 820 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1909 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 189 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: 21486.G189.18S11933.181883M3277.H7186.L5252.15J4985 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.478 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
12 (0.60%) 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.


Anonymous · August 18, 2019

Serial Number 17682332 was reported as accurate.

Anonymous · January 10, 2019

Serial Number 17682071 was reported as accurate.

Herbieone 10 · August 12, 2017

Serial Number 17681009 was reported as accurate.

Gasperoff Supporter 727 · March 20, 2015

Serial Number 17682873 was reported as accurate.

Anonymous · December 27, 2014

Serial Number 17681009 was reported as accurate.

Anonymous · December 27, 2014

Serial Number 17681009 was reported as accurate.

Anonymous · October 21, 2014

Serial Number 17681974 was reported as accurate.

Anonymous · April 6, 2014

Serial Number 17681974 was reported as accurate.

Anonymous · March 13, 2014

Serial Number 17681974 was reported as accurate.

Waltham Grade No. 820 Pocket Watch