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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/28858576
Access Date: April 24, 2024
From the American Horology Archive:
Waltham Grade No. 221 Pocket Watch
American Waltham Watch Co.

Grade: No. 221

Production Inconsistent with Factory Records. See Research Notes.

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 28858576
Grade: No. 221
Model: 1924 Col.b
Estimated Production Year: 1936
Run Quantity: 3,000
Grade/Model Run: 1 of 9
Grade/Model Total Production: 38,125
Size: 12s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: Yes
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 25575.G1.12S1700.M51.O15867.P10506.21J584
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 114.78
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 104.45
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.114%
Registry Population: 27 (0.90%)
$ Estimated Value (12 Month Change): 3.16% Analyzing 85 Sales
Research Note: Waltham Serial Ledgers designate this run as "Col." Model 1924 (Colonial B). Waltham Serial Lists designate this run as Grade 221. However, #28856641 and #28856946 have been verified as 21-Jewel movements marked "Riverside" and "#1271."
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 27 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.

okiejohn 379 · February 9, 2024

Serial Number 28858146 was reported as inaccurate.

Note: Movement marked, "Riverside" and "#1271".

Ddac5575 3 · August 15, 2023

Serial Number 28857476 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · January 20, 2023

Serial Number 28857420 was reported as accurate.

ChrisG Top Contributor Supporter 543 · May 23, 2022

Serial Number 28856946 was reported as inaccurate.

Note: S/n 28856946 is also a Riverside model marked
1271..

https://www.ebay.com/itm/403672679236?hash=item5d
fcc44344:g:c9AAAOSwFA1iiRaH
Curator Response: Verified. [eBay #403672679236]

Andrew9000 85 · June 23, 2021

Serial Number 28856641 was reported as inaccurate.

Note: Riverside #1271, 21 Jewels Adj. Temp. Jeweled Main
Wheel.

lukeyduke07 1 · January 23, 2021

Serial Number 28857072 was reported as accurate.

Anonymous · August 27, 2020

Serial Number 28857258 was reported as accurate.

Anonymous · August 8, 2020

Serial Number 28858785 was reported as inaccurate.

Note: #1271
Changes since this report was submitted:
Plate changed from Unknown to Bridge

Anonymous · July 31, 2020

Serial Number 28858785 was reported as accurate.

pwdmbj Supporter 553 · July 27, 2020

Serial Number 28856576 was reported as inaccurate.

Note: grade 1271 Riverside, 21 jewels, Adjusted Temp,
Jeweled Main Wheel
Changes since this report was submitted:
Plate changed from Unknown to Bridge

Anonymous · June 1, 2020

Serial Number 28856263 was reported as accurate.

Anonymous · March 29, 2020

Serial Number 28858576 was reported as inaccurate.

Note: Model: #1271 Riverside
Changes since this report was submitted:
Plate changed from Unknown to Bridge

Anonymous · February 18, 2020

Serial Number 28858182 was reported as inaccurate.

Note: model#1271 Riverside
Changes since this report was submitted:
Plate changed from Unknown to Bridge

Anonymous · February 7, 2020

Serial Number 28857712 was reported as accurate.

Anonymous · June 18, 2019

Serial Number 28856766 was reported as inaccurate.

Note: This 12s is a riverside, 21 jewel #1271
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection so we can take a closer look.
Changes since this report was submitted:
Plate changed from Unknown to Bridge

Anonymous · February 4, 2018

Serial Number 28857636 was reported as inaccurate.

Note: grade 1271, Riverside
Changes since this report was submitted:
Factory Model changed from 1924 to 1924 Col.b
Plate changed from Unknown to Bridge

cmdraven 3991 · December 27, 2017

Serial Number 28858337 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1924 to 1924 Col.b

Anonymous · May 21, 2017

Serial Number 28858202 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1924 to 1924 Col.b

Anonymous · October 15, 2015

Serial Number 28856766 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1924 to 1924 Col.b

Anonymous · July 18, 2015

Serial Number 28856293 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1924 to 1924 Col.b

Anonymous · June 28, 2015

Serial Number 28856698 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1924 to 1924 Col.b

Anonymous · March 9, 2015

Serial Number 28858485 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Factory Model changed from 1924 to 1924 Col.b
Plate changed from Unknown to Bridge

ncplumber 150 · May 5, 2014

Serial Number 28856273 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1924 to 1924 Col.b

cmdraven 3991 · March 12, 2014

Serial Number 28858500 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1924 to 1924 Col.b

chingalia 193 · November 28, 2013

Serial Number 28857089 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1924 to 1924 Col.b

Anonymous · August 14, 2013

Serial Number 28858876 was reported as inaccurate.

Note: Movement marked "Riverside", Adj. Temp. and
Jeweled Main Wheel. 21 Jewels #1271.
Changes since this report was submitted:
Factory Model changed from 1924 to 1924 Col.b
Plate changed from Unknown to Bridge
Waltham Grade No. 221 Pocket Watch
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