The Casio LW-203 digital watch features a lightweight, compact design with a 38.1 × 34.6 × 11.3 mm case and weighs just 20 grams. It comes with a flexible resin band for comfortable wear. Powered by a CR1620 battery with a 10-year lifespan, it includes spherical resin glass and water resistance up to 50 meters. Key features include world time, dual time, a 1/100-second stopwatch with multiple modes (elapsed time, split time, 1st-2nd place times), a daily alarm, hourly time signal, full auto-calendar (to the year 2099), amber LED backlight with selectable illumination duration (1.5 or 3 seconds), 12/24-hour format, and an accuracy of ±20 seconds per month, with regular timekeeping showing hour, minute, second, PM indicator, month, date, and day.