Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 420 Pocket Watch

American Waltham Watch Co.

Grade: No. 420

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 12181652 Question Mark
Grade: No. 420 Question Mark
Model: 1897 Question Mark
Estimated Production Year: 1903 Question Mark
Run Quantity: 2,500 Question Mark
Grade/Model Run: 2 of 4 Question Mark
Grade/Model Total Production: 6,500 Question Mark
Size: 14s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Regulator: Patent Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 18086.G2.14S2168.141897M119.O11505.P4062.15J4229 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
8.28 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
7.53 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.008% Question Mark
Registry Population:
Scoped for This Run Only
3 (0.12%) 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 · November 22, 2022

Serial Number 12181366 was reported as accurate.

PHIL1199 Supporter 1137 · November 12, 2022

Serial Number 12181148 was reported as accurate.

Anonymous · January 11, 2022

Serial Number 12181051 was reported as accurate.

ticketytockuk 113 · September 30, 2019

Serial Number 12181652 was reported as accurate.

Anonymous · June 28, 2019

Serial Number 12181700 was reported as accurate.

Anonymous · March 11, 2018

Serial Number 12181522 was reported as accurate.

Anonymous · September 14, 2017

Serial Number 12181848 was reported as accurate.

DJL180554 1 · July 18, 2017

Serial Number 12182080 was reported as accurate.

Anonymous · March 11, 2014

Serial Number 12181362 was reported as accurate.

Waltham Grade No. 420 Pocket Watch