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: 22279893
Grade: No. 637
Model: 1908
Estimated Production Year: 1918
Run Quantity: 1,000
Grade/Model Run: 7 of 9
Grade/Model Total Production: 8,000
Size: 16s
Jewels: 17j
Movement Configuration: Openface
Movement Setting: Lever
Plate: Bridge Plate
Regulator: Church 1892
Hairspring: Breguet
Adjusted: Yes
Adjusted # of Positions: 3
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 24098.G7.16S3555.161908M1108.O14983.L5490.17J2651
Database Version: v52.245
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: 8 (0.80%)

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