Pocket Watch Database


From the American Horology Archive:
Waltham Grade Riverside Pocket Watch

American Waltham Watch Co.

Grade: Riverside

Mixed Run: 15-Jewel and 17-Jewel Non-Magnetic Movements

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 6540972 Question Mark
Grade: Riverside Question Mark
Model: 1888 Question Mark
Estimated Production Date: July 1895 - June 1899 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 79 of 115 Question Mark
Grade/Model Total Production: 57,859 Question Mark
Size: 16s Question Mark
Jewels: 15j    Mixed Run 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: Yes Question Mark
Adjusted to Position: Yes Question Mark
Case: Various Question Mark
Run ID: 14814.G557.16S649.161888M323.O9857.P1482.15J3540 Question Mark
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
96.33 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
87.66 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.096% Question Mark
Registry Population:
Scoped for This Run Only
2 (2.00%) Question Mark
$ Estimated Value (12 Month Change): 14.00% Analyzing 109 Sales Question Mark
Research Note: Waltham Serial Lists designate this run as 15 Jewels. The handwritten ledgers note that some were finished as 17-Jewel Non-Magnetic movements. #6540972: Verified as Marked "17 Jewels" and "Non-Magnetic."

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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.


pwdmbj Supporter 557 · December 31, 2021

Serial Number 6540972 was reported as inaccurate.

Note: Marked 17 Jewels
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · May 1, 2021

Serial Number 6540950 was reported as accurate.

Waltham Grade Riverside Pocket Watch