Pocket Watch Database

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

American Waltham Watch Co.

Grade: No. 637

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 23182640 Question Mark
Grade: No. 637 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1919 Question Mark
Run Quantity: 3,000 Question Mark
Grade/Model Run: 9 of 9 Question Mark
Grade/Model Total Production: 8,000 Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Signing Style: Mixed Question Mark
Movement Setting: Lever Question Mark
Plate: Bridge Plate Question Mark
Regulator: Church 1892 Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 3 Question Mark
U.S. Patents: 940117 Question Mark
Movement Markings: A.W.W.Co.
Waltham, Mass.
17 Jewels
Adjusted.
3 Positions.
Case: Various Question Mark
Run ID: 24431.G9.16S3664.161908M1217.O15200.L5522.17J2773 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.452 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
24.08 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
21.92 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.024% Question Mark
Registry Population:
Scoped for This Run Only
8 (0.27%) Question Mark

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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.


Srkr1432 2 · December 22, 2020

Serial Number 23182749 was reported as accurate.

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

Anonymous · June 23, 2019

Serial Number 23182212 was reported as accurate.

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

Anonymous · July 25, 2018

Serial Number 23182933 was reported as accurate.

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

Anonymous · July 18, 2018

Serial Number 23182933 was reported as accurate.

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

Anonymous · April 19, 2017

Serial Number 23182768 was reported as accurate.

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

Anonymous · August 12, 2016

Serial Number 23182855 was reported as accurate.

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