Pocket Watch Database


From the American Horology Archive:
Waltham Grade No. 18 Pocket Watch
Waltham Grade No. 18 Pocket Watch

American Waltham Watch Co.

Grade: No. 18

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 18708732 Question Mark
Grade: No. 18 Question Mark
Model: 1883 Question Mark
Estimated Production Year: 1912 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 230 of 247 Question Mark
Grade/Model Total Production: 646,314 Question Mark
Size: 18s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Full Plate Question Mark
Regulator: Plain Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 22085.G230.18S12042.181883M3361.O13708.P7304.7J6364 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.508 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1,248.61 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1,136.23 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.241% Question Mark
Registry Population:
Scoped for This Run Only
4 (0.40%) Question Mark
$ Estimated Value (12 Month Change): 4.00% Analyzing 1,137 Sales 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 · January 20, 2018

Serial Number 18708616 was reported as accurate.

Anonymous · July 20, 2017

Serial Number 18708772 was reported as accurate.

Anonymous · January 5, 2013

Serial Number 18708342 was reported as accurate.

Waltham Grade No. 18 Pocket Watch
Waltham Grade No. 18 Pocket Watch