Data Bank Calculator Watch CA53W-1

A Casio icon since 1988, the CA-53W-1 is best known for its appearances in Back to the Future Part II and III and the TV series Breaking Bad. It features an eight-digit calculator, 1/100-second stopwatch, dual time, daily alarm, hourly time signal, and an automatic perpetual calendar. The resin case measures 43.2 × 34.4 × 8.2mm and weighs just 24 grams, with a polyurethane strap and basic water resistance for everyday splashes. Powered by a CR2016 battery with an approximate 5-year life, accurate to ±15 seconds per month. A no-frills, retro-cool classic that delivers reliable functionality at an accessible price.