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: 22279893 Question Mark
Grade: No. 637 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1918 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 7 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 Setting: Lever Question Mark
Plate: Bridge Plate Question Mark
Regulator: Church 1892 Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 3 Question Mark
Case: Various Question Mark
Run ID: 24098.G7.16S3555.161908M1108.O14971.L5494.17J2653 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.433 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 (0.80%) Question Mark

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 · June 28, 2022

Serial Number 22279662 was reported as accurate.

Anonymous · August 15, 2021

Serial Number 22279814 was reported as accurate.

Anonymous · September 11, 2019

Serial Number 22279893 was reported as accurate.

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

Milopms 26 · July 29, 2019

Serial Number 22279893 was reported as accurate.

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

Milopms 26 · July 25, 2019

Serial Number 22279893 was reported as accurate.

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

Anonymous · March 6, 2019

Serial Number 22279814 was reported as accurate.

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

Anonymous · December 27, 2018

Serial Number 22279814 was reported as accurate.

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

Anonymous · January 30, 2018

Serial Number 22279518 was reported as accurate.

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

Anonymous · January 1, 2018

Serial Number 22279125 was reported as accurate.

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

Anonymous · February 23, 2016

Serial Number 22279407 was reported as inaccurate.

Note: My watch is lever set and adjusted to 3 positions
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Plate changed from 3/4 to Bridge

Anonymous · February 9, 2016

Serial Number 22279500 was reported as accurate.

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