Pocket Watch Database

From the American Horology Archive:
Waltham Grade Crescent St. Pocket Watch

American Waltham Watch Co.

Grade: Crescent St.

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 520525
Grade: Crescent St.
Model: 1870
Estimated Production Date: October 1870 - May 1, 1871
Run Quantity: 700
Total Production: 17,880
Size: 18s
Jewels: 15j
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Adjusted: Yes
Adjusted to Position: Yes
Data Research: c.1900 Waltham Factory Ledgers
1954 Waltham "Gray Book" List
Case: Various
Database Version: v48.489

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Data Verification Reports

520301
Verification Serial Map
521000

Anonymous · August 30, 2022

Serial Number 520704 was reported as accurate.

Anonymous · April 30, 2021

Serial Number 520650 was reported as accurate.

Anonymous · December 4, 2019

Serial Number 520434 was reported as accurate.

Anonymous · June 9, 2019

Serial Number 520356 was reported as accurate.

Anonymous · October 8, 2018

Serial Number 520620 was reported as accurate.

Anonymous · September 12, 2018

Serial Number 520311 was reported as accurate.

Anonymous · September 12, 2018

Serial Number 520311 was reported as accurate.

Anonymous · April 26, 2018

Serial Number 520548 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · January 4, 2018

Serial Number 520386 was reported as accurate.

Anonymous · January 16, 2017

Serial Number 520346 was reported as accurate.

Anonymous · March 25, 2016

Serial Number 520732 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt
Waltham Grade Crescent St. Pocket Watch