Sift flour, baking soda, baking powder and salt in a bowl. Set aside.
Using a mixer with paddle attachment, cream butter and sugars until very light, about 5 minutes.
Add eggs, one at a time, mixing well after each addition. Stir in vanilla. Reduce speed to low.
Add dry ingredients and mix until just combined, 5 to 10 seconds. Drop chocolate pieces in and incorporate them. Cover with plastic wrap and chill the dough for 24-72 hours.
When ready to bake, preheat oven to 350 degree. line a baking sheet with parchment paper.
Scoop a dough with spoon making about 1 1/2" ball onto baking sheet, making sure the disks are horizontal on the surface, press gently, and place them 2" apart. Sprinkle a tiny bit of sea salt on top.
Bake for about 9-12 minutes until the edges gets golden brown and the top begins to crack.
Transfer cookies on the rack and let them cool completely.
Serve with a glass of cold milk and you are in heaven.