Casio F91W Digital Watch Waterproof LED Light Stopwatch 1/100 Sec Black/White Minimalist Design

CASIO

Made with an environmentally friendly (bio-based) resin band.

The LCD display features an illuminator function, ensuring visibility even in dark environments.

(Up to) 7-year battery life with included CR2016 battery.

Other functions include alarm, stopwatch (chronograph), and day of the week display.