This is the one I got btw: https://www.amazon.com/dp/B083JRG84X/ref=cm_sw_r_cp_api_glt_fabc_HF3NF79HQQ044HSX85YC?psc=1
it lists increment and delay on there
What's your budget?
Do you want something to wear on your wrists or to sit on your desk?
Do you want something analog or digital?
What about a chess clock? That will allow you to time two things at once. The nice thing is that you can just hit the top of the clock without having to worry about finding the right button.