The utility model discloses a watchcase, include: the housing main body, the chamber is acceptd to its inside being equipped with for accept watch movement, regulation portion can dismantle the setting and at the first side of housing main body, wherein be equipped with the mounting hole that is used for installing adjustment button in the regulation portion, and adjustment button is used for adjusting watch movement's operating condition, and operating condition is including starting and the time -out, wherein, the first side of housing main body is equipped with the spread groove, and regulation portion can dismantle the setting in the spread groove. The utility model also discloses a wrist -watch. In this way, the utility model discloses a wrist -watch that watchcase constituted can be dismantled, and easy installation, and the sound construction has promoted user's experience greatly.