The email I got was:
"We can confirm it is mechanical, on removing a keycap, there is a plastic peg underneath which on pressing would press down the switch... "
"The peg of the enter key from the numeric keypad is Black matching the colour of the key itself and there is no word indented into the switch..."
Well, I asked if there were any words on the switch because I think cherry has them? The description does say a lesser model of the Das... hmmm...