Pocket Watch Database

We noticed that you entered a relatively short serial number.
"NA" 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:

Tissot

Grade: NA

Manufacturer: Tissot
Movement Serial Number: Unserialized
Grade: NA
Estimated Production Date: ?-
Case: Various
Database Version: v52.219

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