Pocket Watch Database

From the American Horology Archive:
Waltham Grade P.S. Bartlett Pocket Watch Movement

American Waltham Watch Co.

Grade: P.S. Bartlett

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 427716
Grade: P.S. Bartlett
Model: 1857
Estimated Production Date: January 1869 - January 1, 1870
Run Quantity: 400
Total Production: 293,259
Size: 18s
Jewels: 11j
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Adjusted: Yes
Railroad Grade: No
Data Research: c.1900 Waltham Factory Ledgers
1954 Waltham "Gray Book" List

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

427601
Verification Serial Map
428000

Anonymous · May 17, 2020

Serial Number 427868 was reported as accurate.

Anonymous · May 15, 2019

Serial Number 427716 was reported as accurate.

Anonymous · May 1, 2017

Serial Number 427956 was reported as accurate.

Anonymous · November 7, 2013

Serial Number 427954 was reported as inaccurate.

No further details were submitted with the report.
Waltham Grade P.S. Bartlett Pocket Watch Movement