GE called them Timemaker ranges and the large timer for the microwave operation was the most distinctive feature. The range design dates from 1974. I have the non-timemaker model in white. It's a great performing range with just about every TOL feature like the 4", 6", 8" and GRILL settings for the SensiTemp unit, high wattage surface units, glass control panel, fluorescent light & rotisserie.