As a child, I was taught to wind my watch in a "see saw" kind of motion. That is, I would wind with the stem between my right thumb and forefinger in a back and forth motion. This probably translates to 1/3 to 1/2 of a fully 360 degree rotation of the crown. Using this method today on my fully unwound vintage Breitling Datora model #2034 (circa 1973 - bought NOS in 2007), it took 65 winds to fully wind the watch. If I simply wound in a clockwise motion (no back and forth see saw motion), that would perhaps translate to a 2/3 to 3/4 rotation of the crown per wind, or maybe about 32 winds, since that method (for me) involves a "longer" wind motion. Have I confused you all yet, LOL! What I'm trying to express is that the method in which you wind the stem influences the number of winds required to fully wind the main spring. So maybe the answer to your question is anywhere between 32 to 65 turns depending on how fully you turn the stem per wind, provided the mainspring is fully unwound when you start. By the way, when I bought my manual wind Breitling Montbrillant Edition at a local jewelry store in 2006, the salesman said to wind it in just one direction stating that the "see saw" motion was not necessary. It takes approx 25 winds each morning to fully wind it since I never let it fully unwind, even when I'm wearing one of my beloved Heuer Autavias for the day.
Steve

: Just a quickie... approx how many turns to fully wind up a valjoux
: 7734, & how often. I've read various methods.
: I don't want to overdo it!