Pocket Watch Database

From the American Horology Archive:
Waltham Grade 8 Day Pocket Watch

American Waltham Watch Co.

Grade: 8 Day

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 21738284
Grade: 8 Day
Model: 1910
Estimated Production Year: 1917
Run Quantity: 6,000
Grade/Model Run: 80 of 139
Grade/Model Total Production: 806,000
Size: 37s
Jewels: 15j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Regulator: Micrometer
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 23721.G80.37S82.371910M82.O14740.P8813.15J5577
Database Version: v52.270
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
2,426.68
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
2,208.28
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.412%
Registry Population: 3 (0.05%)

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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 436 · July 4, 2014

Serial Number 21738284 was reported as inaccurate.

Note: 37s 8 Day
7 Jewels

fordcasa Top Contributor Supporter 436 · 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