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: 11307648 Question Mark
Grade: No. 820 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1902 Question Mark
Run Quantity: 4,000 Question Mark
Grade/Model Run: 87 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: 17562.G87.18S10720.181883M2384.O11229.P3655.15J4113 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.479 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
20 (0.50%) Question Mark
$ Estimated Value (12 Month Change): -6.25% Analyzing 1,259 Sales Question Mark

Help Us Help Others By Improving the Database:

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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 · July 24, 2022

Serial Number 11308241 was reported as accurate.

Anonymous · May 18, 2021

Serial Number 11307338 was reported as accurate.

Anonymous · April 20, 2021

Serial Number 11306872 was reported as accurate.

Anonymous · August 6, 2018

Serial Number 11307648 was reported as accurate.

Anonymous · August 6, 2018

Serial Number 11307648 was reported as accurate.

Anonymous · December 5, 2017

Serial Number 11310458 was reported as accurate.

Anonymous · August 27, 2017

Serial Number 11309035 was reported as accurate.

Anonymous · December 24, 2016

Serial Number 11310109 was reported as accurate.

leighcallaway 13 · November 27, 2016

Serial Number 11306542 was reported as accurate.

harris498 53 · November 12, 2014

Serial Number 11307370 was reported as accurate.

harris498 53 · November 12, 2014

Serial Number 11307370 was reported as accurate.

rnfwatch Supporter 128 · February 11, 2014

Serial Number 11307518 was reported as accurate.

Anonymous · July 24, 2013

Serial Number 11308373 was reported as accurate.

Anonymous · April 10, 2013

Serial Number 11306801 was reported as accurate.

Anonymous · April 2, 2013

Serial Number 11307776 was reported as accurate.

Anonymous · February 23, 2013

Serial Number 11306801 was reported as accurate.

Waltham Grade No. 820 Pocket Watch