[bobthedino]

Yes, in fact Casio uses MIP displays in some of its recent watches, e.g. this Bluetooth connected watch has a 2 year battery life: https://www.casio.com/intl/watches/gshock/product.GBD-200-1/

[Melatonic]

Yea exactly. I was about to buy a new Pro Trek but given that I like negative displays I was considering waiting in case they switch to MIP.....although I was looking at the mainly analog models where the little screen matters less.