You'll find it in three finishes here – black is the original, but we also have a green-blue hue which is inspired by the original Casio personal calculator from 1972, and an ivory finish.

They’re available now for $35.95 each in black, ivory, or blue green colorways. Casio’s new calculator watches were inspired by the company’s first personal calculator. Image: Casio ...

The watches' calculator ... Casio has introduced a modern version of its iconic calculator watch, itself based on the Casio Mini personal ... and CA-53WB-8B, are offered in black, blue ...

But retro style trends have now ventured into watches, and no brand has more iconic models than Casio. Thankfully, you can score the brand's legendary digital calculator watch for under $35 right now.

The Black and Bold Red series of watches is available in multiple G-Shock lineups, including the iconic Casio DW-5600BBR-1, GA-B2100BBR-1A, GD-010BBR-1JF, GA-700BBR-1AJF, and GX-56BBR-1A. So here ...

You'll find it in three finishes here – black is the original, but we also have a green-blue hue which is inspired by the original Casio personal calculator from 1972, and an ivory finish.