Pocket Watch Database


From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 315

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 22900612 Question Mark
Grade: No. 315 Question Mark
Model: 1900 Question Mark
Estimated Production Year: 1919 Question Mark
Run Quantity: 5,000 Question Mark
Grade/Model Run: 44 of 46 Question Mark
Grade/Model Total Production: 89,950 Question Mark
Size: 3/0s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate 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: 24292.G44.S238.M102.O15103.P9308.15J5728 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.452 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
261.78 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
238.22 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.260% Question Mark
Registry Population:
Scoped for This Run Only
12 (0.24%) 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 24, 2024

Serial Number 22902989 was reported as accurate.

Rick131 62 · January 24, 2022

Serial Number 22900612 was reported as accurate.

MoatsJustin1 top-contributor 5269 · August 12, 2021

Serial Number 22904543 was reported as accurate.

tturner770 18 · April 2, 2021

Serial Number 22900811 was reported as accurate.

pmtime Supporter 612 · July 3, 2019

Serial Number 22901448 was reported as accurate.

Anonymous · October 11, 2014

Serial Number 22901904 was reported as accurate.

Anonymous · February 4, 2014

Serial Number 22902939 was reported as accurate.

frederic719 123 · October 26, 2013

Serial Number 22901740 was reported as accurate.