Boetti borrows from both Swedish and Italian. Boett meaning watchcase in Swedish and Stretti meaning narrow in Italian. Put the two of them together and you’ll get Boetti;
”narrow watch case”.

History
If you go back in time pre-1990 and study watch trends and history you’ll learn that the size for men’s watches have traditionally been around 35-37mm. As the conspicuous consumption grew throughout the 80’s-00’s so did the width of the average wrist watch.