An updated design of the Honeywell Round thermostat originally designed by Henry Dreyfuss, the new model would use a segment display while retaining the iconic round dial.
The product references the classic bell shaped cover, retained as a link to its heritage with other designs deemed too large of a departure for Honeywell. (I was not able to obtain images of visual models to illustrate this)
Concept sketches looking at a variety of segment display designs that reflect the feel of the original product. The ring display would provide more qualitative information to the user while the center display would provide that absolute information for programming the unit.
Extensive testing around the dial mechanism to maintain consistent and good tactile feedback.