Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: Official Standard

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 18252770 Question Mark
Grade: Official Standard Question Mark
Model: Ball Question Mark
Estimated Production Year: 1912 Question Mark
Run Quantity: 4,500 Question Mark
Grade/Model Run: 43 of 57 Question Mark
Grade/Model Total Production: 64,210 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Movement Configuration: Openface Question Mark
Movement Setting: Lever Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Railroad Grade: Yes Question Mark
Case: Various Question Mark
Run ID: 21872.G43.16S2812.M71.O13592.L5319.21J414 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.528 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
187.90 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
170.99 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.187% Question Mark
Registry Population:
Scoped for This Run Only
1 (0.02%) 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 · May 24, 2013

Serial Number 18252770 was reported as inaccurate.

Note: adjusted 5 positions
Railroad grade
otherwise all correct
Changes since this report was submitted:
Adjusted # Positions changed from No to 5