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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/21738284/movement
Access Date: December 22, 2024
From the American Horology Archive:
Waltham Grade 8 Day Pocket Watch
American Waltham Watch Co.

Grade: 8 Day

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 21738284 Question Mark
Grade: 8 Day Question Mark
Model: 1910 Question Mark
Estimated Production Year: 1917 Question Mark
Run Quantity: 6,000 Question Mark
Grade/Model Run: 80 of 139 Question Mark
Grade/Model Total Production: 806,000 Question Mark
Size: 37s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Regulator: Micrometer Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 23721.G80.37S82.371910M82.O14728.P8810.15J5577 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		 2,426.68 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 2,208.28 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 2.412% Question Mark
Registry Population:
Scoped for This Run Only		3 (0.05%) Question Mark
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 3 watches in the population registry for this run with 1 image.
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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.

watchman4831 193 · March 24, 2017

Serial Number 21737728 was reported as inaccurate.

Note: 7 jewel car clock-Hudson Super six. plain reg.
Wind Indicator with red dot at 4

Anonymous · March 15, 2017

Serial Number 21736406 was reported as accurate.

fordcasa Top Contributor Supporter 444 · July 4, 2014

Serial Number 21738284 was reported as inaccurate.

Note: 37s 8 Day
7 Jewels

fordcasa Top Contributor Supporter 444 · May 27, 2014

Serial Number 21736406 was reported as inaccurate.

Note: Boxed and Gimbaled ships Chronometer.
37s 15J adjusted 8 day movement
Nickel 3/4 plate
Micrometer regulator
Changes since this report was submitted:
Size changed from Unknown to 37
Jewels changed from 7J to 15j
Plate changed from Unknown to 3/4
Waltham Grade 8 Day Pocket Watch