Hi, don´t wind it. Give it some gentle shakes/twist and it will start running. Use it gently, in my opinion they are not very shockproof.
Date setting: never set the date between 10 and 4 positions because the datewheels are engaged (to change time at midnight) and may break. Best is to manually set the clock to 6 hours and than set the date, than adjust time.
Chrono: don´t use it often, the problem is stopping and resetting, if You want to, You can have it always running but the power reserve will be lower. Also never touch the reset button at 4 if the chrono is running, always stop it first, than reset. The best position for stopping is between 50´and 10´. First stop button, than reset button.
Have fun with the Navitimer.