I've got one that does WWVA/WWVB (useless, as they don't reach Montreal), a DST on/off slider, and a sequence of buttons to set the time, both with +/- buttons

I've got one that does WWVA/WWVB (useless, as they don't reach Montreal), a DST on/off slider, and a sequence of buttons to set the time, both with +/- buttons and a numpad. It cost me $20, I think.