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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/7160345/movement
Access Date: December 12, 2024
From the American Horology Archive:
Waltham Grade Riverside Maximus Pocket Watch
American Waltham Watch Co.

Grade: Riverside Maximus

Mixed Run: 21-Jewel and 23-Jewel Movements

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 7160345 Question Mark
Grade: Riverside Maximus Question Mark
Model: 1894 Question Mark
Estimated Production Date: December 1896 - August 1902 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 3 of 3 Question Mark
Grade/Model Total Production: 1,400 Question Mark
Size: 12s Question Mark
Jewels: 21j    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
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 15185.G6.12S31.121894M21.O10020.P1778.21J65 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: v52.506 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 3.61 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 3.29 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.004% Question Mark
Registry Population:
Scoped for This Run Only		30 (3.00%) Question Mark
Research Note: Mixed Run: 21-Jewel and 23-Jewel Movements. #7160938: Verified as Marked "23 Jewels."
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 30 watches in the population registry for this run with 8 images.
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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.

tctimepieces Supporter 112 · September 9, 2024

Serial Number 7160315 was reported as accurate.

Afox2009 25 · July 11, 2024

Serial Number 7160345 was reported as accurate.

Afox2009 25 · June 13, 2024

Serial Number 7160123 was reported as accurate.

Anonymous · November 27, 2023

Serial Number 7160464 was reported as accurate.

Afox2009 25 · June 17, 2023

Serial Number 7160499 was reported as accurate.

rmwatchandclock Supporter 377 · January 31, 2023

Serial Number 7160938 was reported as inaccurate.

Note: Serial number 7160938 is marked as 23 jewels.
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.

Abidiaz 3 · April 29, 2022

Serial Number 7160467 was reported as accurate.

Anonymous · June 28, 2021

Serial Number 7160213 was reported as accurate.

Anonymous · May 21, 2021

Serial Number 7160335 was reported as accurate.

Anonymous · September 4, 2020

Serial Number 7160958 was reported as accurate.

Pablos 8 · September 1, 2020

Serial Number 7160134 was reported as accurate.

Anonymous · July 3, 2020

Serial Number 7160213 was reported as accurate.

Anonymous · September 5, 2019

Serial Number 7160289 was reported as accurate.

Anonymous · May 31, 2019

Serial Number 7160284 was reported as accurate.

rjbeck 150 · May 28, 2019

Serial Number 7160431 was reported as accurate.

rjbeck 150 · May 28, 2019

Serial Number 7160431 was reported as accurate.

Anonymous · April 21, 2019

Serial Number 7160474 was reported as accurate.

Anonymous · December 31, 2017

Serial Number 7160312 was reported as accurate.

Anonymous · December 1, 2017

Serial Number 7160612 was reported as accurate.

Anonymous · October 18, 2017

Serial Number 7160514 was reported as accurate.

Anonymous · December 24, 2016

Serial Number 7160608 was reported as accurate.

Anonymous · March 26, 2015

Serial Number 7160013 was reported as accurate.

Anonymous · March 24, 2013

Serial Number 7160964 was reported as accurate.

Waltham Grade Riverside Maximus Pocket Watch