What is the least you ever spent on a watch. (In a year that starts with a 2)

This thread was inspired by the "most you've ever spent" thread. The only rule is that you had to buy the watch in a year that starts with a 2, this means those bargain gold watch from the 1940s that you bought at the PX don't count.

Here's mine.

July 9, 2021, $15.07 with free Prime shipping.