The Tissot is an unusual hotel. I think there are only twenty or so rooms. It is attached to a velodrome.
There are no staff at the hotel (at least not on a Saturday evening and Sunday morning). Guests check in using a machine outside the front door, where a key is issued for entry. It works.
My room was a reasonable size, basic, comfortable and perfectly acceptable. It was clean and tidy. However, during my stay (in August) it was warm in the room; there was a fan in the wardrobe to help with that.
I chose the Tissot for its location close to the airport. The hotel is a 15 minute walk from Grenchen North station, and a 10 minute walk from Grenchen South station (it can be done by bus). The velodrome has a restaurant, but it does not open at week-ends and we didn’t use it. In the town centre (between the stations) there are a number of decent restaurants. About 200 metres from the Tissot there is a popular bakery and we had a good continental breakfast there.