I've Bought My Partner Hundreds of Gifts — and I Know Exactly What to Get Yours

Casio Calculator Watch ($22, originally $25)

My husband is a big watch guy and his dream watches cost way more than I'd want to spend for a regular gift (sorry, love). But I know he'd be totally obsessed with this throwback Casio calculator watch, and I bet most millennial guys — horology-heads or not — would feel the same way. These watches were so cool back when we were kids and you know guys love to relive their youth.