Pocket Watch Database

We noticed that you entered a relatively short serial number.
"8714" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.
From the American Horology Archive:
Waltham Grade P.S. Bartlett Pocket Watch

American Waltham Watch Co.

Grade: P.S. Bartlett

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 8714
Grade: P.S. Bartlett
Model: 1857
Estimated Production Date: March 1858
Run Quantity: 100
Total Production: 293,259
Size: 18s
Jewels: 7j
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Balance Type: Solid
Adjusted: No
Railroad Grade: No
Data Research: c.1900 Waltham Factory Ledgers
1954 Waltham "Gray Book" List
Case: Various
Database Version: v48.492
Research Note: Waltham Serial Ledgers specify "Plain" jeweling (7 Jewels) for run. #8714: Verified as 7 Jewels [NAWCC].

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

8701
Verification Serial Map
8800

Anonymous · March 26, 2016

Serial Number 8706 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 15j to 7J
Adjusted changed from Yes to No

Anonymous · December 31, 2015

Serial Number 8779 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 15j to 7J
Adjusted changed from Yes to No
Waltham Grade P.S. Bartlett Pocket Watch