Pocket Watch Database


From the American Horology Archive:
Waltham Grade Riverside Pocket Watch

American Waltham Watch Co.

Grade: Riverside

Mixed Run: 21-Jewel and 19-Jewel Examples Reported

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 24321635 Question Mark
Grade: Riverside Question Mark
Model: 1924 Col.b Question Mark
Estimated Production Year: 1923 Question Mark
Run Quantity: 5,000 Question Mark
Grade/Model Run: 2 of 7 Question Mark
Grade/Model Total Production: 15,000 Question Mark
Size: 12s Question Mark
Jewels: 19j    Mixed Run Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate 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: 24645.G1024.12S1518.M11.O15351.P9626.19J472 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.518 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
45.16 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
41.09 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.045% Question Mark
Registry Population:
Scoped for This Run Only
20 (0.40%) Question Mark
$ Estimated Value (12 Month Change): 15.43% Analyzing 133 Sales Question Mark
Research Note: Waltham Serial Ledgers designate this run as "C'lB" Model 1924 (Colonial B). Most of the run appears to be 19-Jewel movements. According to verification reports, the 21-Jewel variants may be within the last 1,000 serial numbers of the run.

#24319119: Reported as 19 Jewels.
#24320080: Reported as 19 Jewels.
#24320109: Reported as 19 Jewels.
#24320549: Reported as 19 Jewels.
#24321614: Reported as 19 Jewels.
#24322303: Verified as Marked "19 Jewels" [JT]
=== [ Jewel Count Transition ] ===
#24322115: Reported as 21 Jewels.
#24322382: Reported as 21 Jewels.
#24322664: Verified as Marked "21 Jewels" [JT]
#24322750: Reported as 21 Jewels.
#24322782: Reported as 21 Jewels.
#24322869: Reported as 21 Jewels.
#24322917: Reported as 21 Jewels.

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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.


Anonymous · October 15, 2023

Serial Number 24322868 was reported as accurate.

Anonymous · August 19, 2023

Serial Number 24318495 was reported as accurate.

Anonymous · July 15, 2023

Serial Number 24318670 was reported as accurate.

MIKEKTYLER Supporter 128 · March 29, 2023

Serial Number 24322344 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · March 17, 2022

Serial Number 24318661 was reported as accurate.

Anonymous · February 8, 2022

Serial Number 24319729 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · January 12, 2022

Serial Number 24322664 was reported as inaccurate.

Note: Movement was factory upgraded to 21 jewels (added
cap jewels at escape wheel)
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.

JerryT Waltham Expert Small Watch Expert 425 · January 12, 2022

Serial Number 24322303 was reported as accurate.

Anonymous · November 19, 2021

Serial Number 24321591 was reported as accurate.

Anonymous · September 30, 2021

Serial Number 24322115 was reported as inaccurate.

Note: This movement is marked 21 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 · March 6, 2021

Serial Number 24322917 was reported as inaccurate.

Note: Plugged and marked 21 jewels
Changes since this report was submitted:
Plate changed from Unknown to Bridge

Anonymous · February 28, 2021

Serial Number 24319191 was reported as accurate.

Anonymous · December 9, 2020

Serial Number 24321635 was reported as accurate.

Rcardkidz 4116 · August 15, 2020

Serial Number 24320640 was reported as accurate.

steve288 264 · July 9, 2020

Serial Number 24318703 was reported as accurate.

Rcardkidz 4116 · August 1, 2019

Serial Number 24319952 was reported as accurate.

Anonymous · February 16, 2019

Serial Number 24318688 was reported as accurate.

ZZap82 1 · February 14, 2018

Serial Number 24321418 was reported as accurate.

Changes since this report was submitted:
Size changed from Colonial B to 12
Factory Model changed from 1924 to 1924 Col.b

Anonymous · February 14, 2018

Serial Number 24321418 was reported as accurate.

Changes since this report was submitted:
Size changed from Colonial B to 12
Factory Model changed from 1924 to 1924 Col.b

Anonymous · January 9, 2018

Serial Number 24322869 was reported as inaccurate.

Note: Jewel count 21 as noted on movement 24322869
Changes since this report was submitted:
Size changed from Colonial B to 12
Factory Model changed from 1924 to 1924 Col.b
Plate changed from Unknown to Bridge

misslunablu 3 · October 2, 2017

Serial Number 24322382 was reported as inaccurate.

Note: 21 jewels
Changes since this report was submitted:
Size changed from Colonial B to 12
Factory Model changed from 1924 to 1924 Col.b
Plate changed from Unknown to Bridge

Anonymous · August 29, 2017

Serial Number 24322750 was reported as inaccurate.

Note: This mechanism 21j.
Changes since this report was submitted:
Size changed from Colonial B to 12
Factory Model changed from 1924 to 1924 Col.b
Plate changed from Unknown to Bridge

Anonymous · July 28, 2017

Serial Number 24320320 was reported as accurate.

Changes since this report was submitted:
Size changed from Colonial B to 12
Factory Model changed from 1924 to 1924 Col.b

Anonymous · July 6, 2017

Serial Number 24320173 was reported as accurate.

Changes since this report was submitted:
Size changed from Colonial B to 12
Factory Model changed from 1924 to 1924 Col.b

Anonymous · July 6, 2017

Serial Number 24320173 was reported as accurate.

Changes since this report was submitted:
Size changed from Colonial B to 12
Factory Model changed from 1924 to 1924 Col.b

Anonymous · June 15, 2017

Serial Number 24319119 was reported as inaccurate.

Note: 19jewels
Changes since this report was submitted:
Size changed from Colonial B to 12
Jewels changed from 21j to 19j
Factory Model changed from 1924 to 1924 Col.b
Plate changed from Unknown to Bridge

Anonymous · February 25, 2017

Serial Number 24320549 was reported as inaccurate.

Note: 19 jewels
Changes since this report was submitted:
Size changed from Colonial B to 12
Jewels changed from 21j to 19j
Factory Model changed from 1924 to 1924 Col.b
Plate changed from Unknown to Bridge

Anonymous · November 19, 2016

Serial Number 24320080 was reported as inaccurate.

Note: 19j
Changes since this report was submitted:
Size changed from Colonial B to 12
Jewels changed from 21j to 19j
Factory Model changed from 1924 to 1924 Col.b
Plate changed from Unknown to Bridge

dscottgoodrick 142 · November 4, 2016

Serial Number 24318937 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 21j to 19j

Parcwood 5 · July 5, 2016

Serial Number 24322782 was reported as inaccurate.

Note: My movement is stamped 21 jewels
Changes since this report was submitted:
Size changed from Unknown to 12
Plate changed from Unknown to Bridge

Petenani 1 · June 10, 2016

Serial Number 24320365 was reported as accurate.

Anonymous · May 25, 2016

Serial Number 24318029 was reported as accurate.

Anonymous · October 27, 2015

Serial Number 24321213 was reported as accurate.

Anonymous · June 17, 2015

Serial Number 24321393 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Size changed from Unknown to 12
Plate changed from Unknown to Bridge

longshot762x51 1 · February 27, 2015

Serial Number 24319659 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Size changed from Unknown to 12
Plate changed from Unknown to Bridge

Anonymous · December 13, 2014

Serial Number 24320381 was reported as accurate.

AllanB 21 · May 23, 2014

Serial Number 24320109 was reported as inaccurate.

Note: 19 jewels.
Changes since this report was submitted:
Size changed from Unknown to 12
Jewels changed from 21j to 19j
Plate changed from Unknown to Bridge

rtwatches 943 · November 20, 2013

Serial Number 24320109 was reported as inaccurate.

Note: 19 Jewels
Changes since this report was submitted:
Size changed from Unknown to 12
Jewels changed from 21j to 19j
Plate changed from Unknown to Bridge

Anonymous · September 3, 2013

Serial Number 24318929 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 21j to 19j

Anonymous · December 19, 2012

Serial Number 24322980 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 21j to 19j

Anonymous · December 13, 2012

Serial Number 24321614 was reported as inaccurate.

Note: 19 JEWELS
Changes since this report was submitted:
Size changed from Unknown to 12
Jewels changed from 21j to 19j
Plate changed from Unknown to Bridge
Waltham Grade Riverside Pocket Watch