Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 637 Pocket Watch

American Waltham Watch Co.

Grade: No. 637

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 20020624
Grade: No. 637
Model: 1908
Estimated Production Year: 1915
Run Quantity: 500
Grade/Model Run: 5 of 9
Grade/Model Total Production: 8,000
Size: 16s
Jewels: 17j
Movement Configuration: Openface
Movement Setting: Lever
Plate: Bridge Plate
Hairspring: Breguet
Adjusted: Yes
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 22859.G5.16S3171.161908M740.O14194.L5386.17J2298
Database Version: v52.243
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
24.08
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
21.92
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.024%
Registry Population: 3 (0.60%)

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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.


MoatsJustin1 top-contributor 4691 · November 30, 2023

Serial Number 20020890 was reported as accurate.

dsanta 2 · May 7, 2021

Serial Number 20020735 was reported as accurate.

Anonymous · March 12, 2019

Serial Number 20020560 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

susan415martinez 2 · June 5, 2013

Serial Number 20020624 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade No. 637 Pocket Watch