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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/9503807/movement
Access Date: November 19, 2024
From the American Horology Archive:
Waltham Grade Bridge Pocket Watch
American Waltham Watch Co.

Grade: Bridge

Mixed Run: 21-Jewel and 23-Jewel Movements

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 9503807 Question Mark
Grade: Bridge Question Mark
Model: 1899 Question Mark
Estimated Production Year: 1900 Question Mark
Run Quantity: 300 Question Mark
Grade/Model Run: 3 of 15 Question Mark
Grade/Model Total Production: 3,660 Question Mark
Size: 16s Question Mark
Jewels: 23j    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: 16454.G6.16S1090.161899M86.O10641.P2796.23J4 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
 Question Mark
Database Version: v52.445 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 4.81 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 4.38 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.005% Question Mark
Registry Population:
Scoped for This Run Only		12 (4.00%) Question Mark
Research Note: #9503807: Reported as 21 Jewels.
#9503816: Reported as 21 Jewels. [JT]
#9503826: Reported as 21 Jewels. [JT]
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 12 watches in the population registry for this run with 4 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.

Anonymous · March 24, 2024

Serial Number 9503831 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · February 6, 2022

Serial Number 9503965 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · February 6, 2022

Serial Number 9503961 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · February 6, 2022

Serial Number 9503939 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · February 6, 2022

Serial Number 9503920 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · February 6, 2022

Serial Number 9503914 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · February 6, 2022

Serial Number 9503907 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · February 6, 2022

Serial Number 9503886 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · February 6, 2022

Serial Number 9503872 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · February 6, 2022

Serial Number 9503837 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · February 6, 2022

Serial Number 9503831 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · February 6, 2022

Serial Number 9503826 was reported as inaccurate.

Note: This movement has been reported with 21 jewels.
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 · February 6, 2022

Serial Number 9503816 was reported as inaccurate.

Note: This movement has been reported with 21 jewels.
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 · February 6, 2022

Serial Number 9503784 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · February 6, 2022

Serial Number 9503771 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · February 6, 2022

Serial Number 9503731 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · February 6, 2022

Serial Number 9503702 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · June 3, 2021

Serial Number 9503971 was reported as accurate.

Anonymous · August 19, 2020

Serial Number 9503807 was reported as inaccurate.

Note: the movement is stamped 21 jewel not 23
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel

Anonymous · November 22, 2017

Serial Number 9503786 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel

Anonymous · November 22, 2017

Serial Number 9503971 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel

Anonymous · October 16, 2017

Serial Number 9503884 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel

Anonymous · September 3, 2017

Serial Number 9503786 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel

JLashbrook 110 · December 13, 2016

Serial Number 9503758 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel

JLashbrook 110 · November 29, 2016

Serial Number 9503758 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel

Gimparoo Supporter 703 · November 14, 2016

Serial Number 9503835 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel

Anonymous · January 3, 2016

Serial Number 9503967 was reported as accurate.

Anonymous · December 31, 2015

Serial Number 9503863 was reported as accurate.

Waltham Grade Bridge Pocket Watch