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: 12156982 Question Mark
Grade: No. 820 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1903 Question Mark
Run Quantity: 1,900 Question Mark
Grade/Model Run: 110 of 224 Question Mark
Grade/Model Total Production: 413,500 Question Mark
Size: 18s Question Mark
Jewels: 15j    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: 18073.G110.18S10915.181883M2520.H5637.L4580.15J4225 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
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 (0.58%) Question Mark
$ Estimated Value (12 Month Change): -8.08% 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.


TerryfromCanada Supporter 486 · November 1, 2024

Serial Number 12156569 was reported as accurate.

Anonymous · December 26, 2023

Serial Number 12156873 was reported as accurate.

Anonymous · December 26, 2023

Serial Number 12156870 was reported as accurate.

Anonymous · February 15, 2022

Serial Number 12156796 was reported as accurate.

MoatsJustin1 top-contributor 5269 · July 22, 2021

Serial Number 12156889 was reported as accurate.

hobbsy36 7 · December 19, 2020

Serial Number 12156866 was reported as inaccurate.

Note: ON MY IT 15 JEWELS NOT 17 JEWELS
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Jewels changed from 17j to 15j

MoatsJustin1 top-contributor 5269 · June 10, 2020

Serial Number 12156368 was reported as inaccurate.

Note: 17j not 15j

MoatsJustin1 top-contributor 5269 · June 10, 2020

Serial Number 12156368 was reported as accurate.

Anonymous · September 2, 2018

Serial Number 12155624 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · September 11, 2017

Serial Number 12156400 was reported as inaccurate.

Note: Marked 15 jewels, not 17 as stated
Changes since this report was submitted:
Jewels changed from 17j to 15j

Anonymous · June 20, 2016

Serial Number 12156046 was reported as accurate.

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

Anonymous · October 21, 2015

Serial Number 12156982 was reported as accurate.

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

Anonymous · March 12, 2015

Serial Number 12156548 was reported as inaccurate.

Note: 15 jewels clearly marked on movement
Changes since this report was submitted:
Jewels changed from 17j to 15j

jrobinson777 97 · April 13, 2014

Serial Number 12155615 was reported as inaccurate.

Note: Jewels: 17 (clearly marked on movement)
Movement Finish: Nickel
Railroad Grade: No
Waltham Grade No. 820 Pocket Watch