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: 424819
Grade: P.S. Bartlett
Model: 1857
Estimated Production Date: November 1869 - December 1, 1870
Run Quantity: 600
Total Production: 293,259
Size: 18s
Jewels: 11j
Movement Configuration: Either
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

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Data Verification Reports

Verification Serial Map

Anonymous · December 25, 2019

Serial Number 424480 was reported as inaccurate.

Note: 15 jewel 424480 serial number
Curator Response: Thanks for the report. Waltham serial ledgers indicate this run was jeweled in "4 Holes" (11 Jewels Total). An 11-Jewel movement can appear to be a 15-Jewel movement based on the top-plate jeweling.

Bostonjoe 54 · September 9, 2019

Serial Number 424819 was reported as accurate.

Anonymous · June 2, 2017

Serial Number 424600 was reported as accurate.

Anonymous · December 11, 2016

Serial Number 424743 was reported as accurate.

Anonymous · March 21, 2013

Serial Number 424560 was reported as accurate.

Waltham Grade P.S. Bartlett Pocket Watch Movement