Pocket Watch Database


From the American Horology Archive:

American Waltham Watch Co.

Grade: Maximus

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 18007168 Question Mark
Grade: Maximus Question Mark
Model: 1898 Question Mark
Estimated Production Year: 1910 Question Mark
Run Quantity: 200 Question Mark
Grade/Model Run: 1 of 1 Question Mark
Grade/Model Total Production: 200 Question Mark
Size: 6/0s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Split Plate Question Mark
Regulator: Patent Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 21614.G135.S77.M77.H7247.P6905.17J1980 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
0.60 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.55 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.001% Question Mark
Registry Population:
Scoped for This Run Only
1 (0.50%) Question Mark
$ Estimated Value (12 Month Change): -18.77% Analyzing 249 Sales Question Mark
Research Note: Waltham Serial Lists designate this run as Grade "Maximus." #18007168: Reported as Marked "Diamond" and "Maximus."

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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.


JerryT Waltham Expert Small Watch Expert 425 · October 8, 2020

Serial Number 18007168 was reported as inaccurate.

Note: My movement is marked both Diamond and Maximus
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.