The Poketch or Pokemon Watch is a type of Watch that is developed by Poketech Company. This gadget is extremely useful during your adventure but you need to unlock it first. To get a Poketch, you need to find 3 Clowns in the Jubilife City.
How to get the Poketch
An NPC in the Jubilife City will approach you and ask if you are a Pokemon Trainer. He then says that if you can find 3 Clowns in the City, he will give you your very own Poketch. Below are the location of the 3 Clowns in the Jubilife City and the answer to their questions.
The first clown is located to the right of the NPC, behind the PokeCenter. This clown is wearing a yellow costume and will ask you the question “Does a Pokemon grow by defeating others and gaining EXP Points?”. The Answer to this question is Yes.
From the 1st clown, go north and then go left to see the 2nd Pokemon standing at the entrance of Jubilife TV Tower. He will ask you “Can a Pokemon hold an item?”. The answer to this question is Yes.
From the 2nd Clown, go west until you reach the Poketch Company Building. This clown will ask you “Just like Pokemon, do the moves of Pokemon also have types?”. The answer to this question is Yes. After getting all 3 Coupons, go back to the NPC to get your Poketch.