Baratza Sette 270 Wi Grinder for Espresso If you are looking for speed and precision, the Baratza Sette 270 Wi grinder is the solution. It has a built-in smart "Acaia" scale that weighs the coffee during grinding and stops at the desired weight accurately. It features a design that prevents coffee from staying inside and very fast conical burrs, making it ideal for home espresso enthusiasts. The rest of the warranty can be 6 months and 7 months.