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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/20985632/movement
Access Date: December 26, 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: 20985632 Question Mark
Grade: 8 Day Question Mark
Model: 1910 Question Mark
Estimated Production Year: 1917 Question Mark
Run Quantity: 7,500 Question Mark
Grade/Model Run: 69 of 139 Question Mark
Grade/Model Total Production: 806,000 Question Mark
Size: 37s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Openface Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 23418.G69.37S69.371910M69.O14545.P8511.7J6860 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
 Question Mark
Database Version: v52.526 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		4 (0.05%) Question Mark
Value Guide
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 4 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.

Anonymous · May 26, 2021

Serial Number 20982617 was reported as accurate.

Anonymous · December 19, 2017

Serial Number 20988144 was reported as accurate.

billkov 98 · May 22, 2017

Serial Number 20983362 was reported as inaccurate.

Note: This is a 7 jewel model. Waltham only made
around 10,000 of the 15J version.
Changes since this report was submitted:
Jewels changed from 15j to 7J

Anonymous · August 10, 2015

Serial Number 20987189 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 15j to 7J

Anonymous · April 19, 2014

Serial Number 20982958 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 15j to 7J

esoxhunter Top Contributor Supporter 127 · February 1, 2014

Serial Number 20987972 was reported as inaccurate.

Note: This is an 8 Days car clock. It is marked "ADJ"
Dial diameter is approximately 7.3 cm. The
non-sunk seconds sub-dial is directly below "12";
the dial is silver and marked "8 Days" directly
below the seconds sub-dial and "WALTHAM" directly
above the "6". It is stem wind and set, with the
long 5 cm stem protruding downward from the "6".
To wind you push up on the stem.
Changes since this report was submitted:
Size changed from Unknown to 37
Jewels changed from 15j to 7J
Plate changed from Unknown to 3/4
Waltham Grade 8 Day Pocket Watch