Pocket Watch Database


From the American Horology Archive:
Waltham Grade Riverside Pocket Watch

American Waltham Watch Co.

Grade: Riverside

Mixed Run: 17-Jewel and 19-Jewel Movements

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 10099950 Question Mark
Grade: Riverside Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1900 Question Mark
Run Quantity: 200 Question Mark
Grade/Model Run: 27 of 118 Question Mark
Grade/Model Total Production: 56,539 Question Mark
Size: 16s Question Mark
Jewels: 17j    Mixed Run Question Mark
Movement Configuration: Openface Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Bridge Type: Center Question Mark
Regulator: Church 1892 Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Case: Various Question Mark
Run ID: 16843.G692.16S1214.161899M207.O10843.P3094.17J646 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.450 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
100.56 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
91.51 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.100% Question Mark
Registry Population:
Scoped for This Run Only
3 (1.50%) Question Mark
$ Estimated Value (12 Month Change): 12.75% Analyzing 184 Sales Question Mark
Research Note: Mixed Run: 17-Jewel and 19-Jewel Movements

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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.


SansFe 14 · October 27, 2023

Serial Number 10099819 was reported as inaccurate.

Note: Movement is 17j (agreeing with grey book). Others
are known to be 19j, suggested a mixed run.
Movement is only marked AWWCo, not Riverside, but
exhibits all Riverside characteristics (DR, steel
escape wheel, etc.)
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.
Changes since this report was submitted:
Jewels changed from 19j to 17j

Anonymous · April 6, 2022

Serial Number 10099929 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 19j to 17j

Anonymous · October 24, 2017

Serial Number 10099951 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 19j to 17j
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · July 14, 2016

Serial Number 10099899 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 19j to 17j
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

hdkw99 Supporter 11 · December 25, 2015

Serial Number 10099970 was reported as inaccurate.

Note: my watch movement states 19 jewels, adjusted.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade Riverside Pocket Watch