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
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 6540972
Grade: Riverside
Model: 1888
Estimated Production Date: July 1895 - June 1899
Run Quantity: 100
Grade/Model Run: 80 of 116
Grade/Model Total Production: 57,959
Size: 16s
Jewels: 15j    Mixed Run
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Regulator: Patent
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: Yes
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 14814.G557.16S649.161888M324.O9868.P1481.15J3540
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
96.33
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
87.66
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.096%
Registry Population: 2 (2.00%)
$ Estimated Value (12 Month Change): 2.45% Analyzing 108 Sales
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 554 · 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