Pocket Watch Database

From the American Horology Archive:
Waltham Grade Riverside Maximus Pocket Watch

American Waltham Watch Co.

Grade: Riverside Maximus

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 7000381 Question Mark
Grade: Riverside Maximus Question Mark
Model: 1888 Question Mark
Estimated Production Date: October 1896 - September 1900 Question Mark
Run Quantity: 400 Question Mark
Grade/Model Run: 2 of 4 Question Mark
Grade/Model Total Production: 900 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Movement Configuration: Hunting 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: 15000.G2.16S687.161888M361.H4137.P1629.21J17 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: v52.465 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1.50 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.37 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
19 (4.75%) 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.


rmwatchandclock Supporter 371 · March 4, 2024

Serial Number 7000309 was reported as accurate.

Anonymous · December 23, 2023

Serial Number 7000315 was reported as accurate.

MARTIN500 30 · April 9, 2023

Serial Number 7000246 was reported as accurate.

Anonymous · January 12, 2023

Serial Number 7000382 was reported as accurate.

Anonymous · November 6, 2022

Serial Number 7000176 was reported as accurate.

2mnyboxers Supporter 408 · August 2, 2022

Serial Number 7000313 was reported as accurate.

Anonymous · April 10, 2020

Serial Number 7000268 was reported as accurate.

fordcasa Top Contributor Supporter 444 · November 13, 2019

Serial Number 7000265 was reported as accurate.

Anonymous · September 8, 2019

Serial Number 7000054 was reported as accurate.

Anonymous · March 24, 2019

Serial Number 7000026 was reported as accurate.

Anonymous · February 15, 2019

Serial Number 7000302 was reported as accurate.

Ashraf 149 · February 15, 2019

Serial Number 7000302 was reported as accurate.

Anonymous · February 15, 2019

Serial Number 7000302 was reported as accurate.

Brycef 107 · June 7, 2017

Serial Number 7000247 was reported as accurate.

Anonymous · April 9, 2017

Serial Number 7000247 was reported as accurate.

fordcasa Top Contributor Supporter 444 · December 11, 2016

Serial Number 7000293 was reported as accurate.

Anonymous · July 25, 2016

Serial Number 7000098 was reported as accurate.

fordcasa Top Contributor Supporter 444 · June 19, 2016

Serial Number 7000246 was reported as accurate.

barelymoving555 56 · May 20, 2015

Serial Number 7000288 was reported as accurate.

Anonymous · May 12, 2015

Serial Number 7000176 was reported as accurate.

Waltham Grade Riverside Maximus Pocket Watch