Pocket Watch Database

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

American Waltham Watch Co.

Grade: No. 820

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 15210904
Grade: No. 820
Model: 1883
Estimated Production Year: 1906
Run Quantity: 1,000
Grade/Model Run: 161 of 224
Grade/Model Total Production: 413,500
Size: 18s
Jewels: 15j
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Lever
Plate: Full Plate
Regulator: Patent
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 19933.G161.18S11545.181883M2989.H6474.L4994.15J4617
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
368.57
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
337.27
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.368%
Registry Population: 5 (0.50%)
$ Estimated Value (12 Month Change): -12.26% Analyzing 1,233 Sales

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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 · March 6, 2024

Serial Number 15211196 was reported as accurate.

Anonymous · November 19, 2015

Serial Number 15210904 was reported as accurate.

jerrydk7 227 · March 22, 2014

Serial Number 15211196 was reported as inaccurate.

Note: Movement Finish = Nickel
Regulator = Patent - Breguet hairspring
Railroad Grade = No

Anonymous · February 22, 2014

Serial Number 15211272 was reported as accurate.

Waltham Grade No. 820 Pocket Watch