Are you in the northern hemisphere? Then you should not water it. It HAS to wrinkle and change leaves now. The soil on pic 1 was perfect. Peek inside to see if new leaves are coming. If yes, no water until old leaves dry up and new ones emerge. In any case no water until april or so. But I have to t...

If you're in the northern hemisphere you shouldn't be watering your lithops at all starting October.