Question regarding winding and Power reserve Portofino Automatic

Hello,

I recently bought a Portofino Automatic and have a couple of concerns regarding the winding/power reserve:

.) How do I know if the Watch is fully wound? It now happend several times, that the watch stood still after 12h not on the wrist (while using about 16h/day before).

.) I then follow the manual and wind it about 20 rotations (clockwise, but no direction is mentioned in the manual) until I feel some resistance.

.) This morning the watch was still again, but when winding it it made some strange "noise" - sorry but can't really describe it.

Before I bring it to IWC service - any hints or tips on what the sound could be and or how to get the 42h power reserve...

Thank you,
Wolfgang

You should know you have fully wound the watch when you encounter resistance of the crown. Otherwise it should wind fairly easily. there might be a sound which I can only describe as a buzz. Zzzzz sound.

I would be worried I heard mechanical clicking sounds.

The power reserve should be close to the stated duration if fully wound. If it is very far off, such as 12 hours out of 42 then it is probably best to send it in to the service centre for checking.

Welcome Wolfgang, and congratulations on obtaining your Portofino Automatic. I haven't seen a manual for this watch, but 20 twists between thumb and forefinger sounds a bit light to me, I would have thought at least 30 times, and don't worry you can't over wind an IWC automatic as it has a slipping clutch mechanism. After winding you still need to be active with your wrist to keep it topped up. If you bought it secondhand and it is 4 to 5 years old, then as Melv says it may need a service, IWC recommend a full service at least every 5 years.