This timer control is not appropriate for a microwave oven where recipes often call for times less or more that even 15 second intervals.  Want to warm a cinnamon roll for 20 seconds? Sorry you'll have to set the time to 30 seconds and then stand by to hit stop when there is 10 seconds left on the display. 
The appearance and quality of both oven and microwave is great so far, but I cannot recommend the control functions, which are quite confusing.