Pocket Watch Database


From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 310

(Alternatively Grade No. 110)

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 18794180 Question Mark
Grade: No. 310 Question Mark
Model: 1900 Question Mark
Estimated Production Year: 1912 Question Mark
Run Quantity: 4,000 Question Mark
Grade/Model Run: 6 of 30 Question Mark
Grade/Model Total Production: 109,199 Question Mark
Size: 3/0s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 22133.G6.S17.M11.O13737.P7352.7J6386 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.445 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
328.77 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
299.18 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.327% Question Mark
Registry Population:
Scoped for This Run Only
13 (0.33%) 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 23, 2021

Serial Number 18793431 was reported as accurate.

Anonymous · May 22, 2020

Serial Number 18795259 was reported as accurate.

guyirun 51 · December 25, 2019

Serial Number 18796450 was reported as accurate.

colaman6mcq Supporter 151 · March 18, 2016

Serial Number 18795718 was reported as accurate.

Anonymous · March 7, 2016

Serial Number 18793612 was reported as accurate.

Anonymous · July 20, 2015

Serial Number 18794017 was reported as accurate.

Anonymous · July 20, 2015

Serial Number 18794017 was reported as accurate.

Anonymous · June 21, 2014

Serial Number 18794288 was reported as accurate.