The Casio CA53W-1 is a classic digital calculator watch featuring a black resin case, black LCD screen, and black resin strap, combining retro style with practical functionality. Compact and lightweight at 43.2 × 34.4 × 8.2mm and 25g, it’s comfortable for daily wear and fits band sizes from 125 to 180mm. Powered by a CR2016 battery with approx. 5-year life, it offers dual time, a 1/100-second stopwatch, daily alarm, hourly time signal, and an 8-digit calculator. The full auto-calendar (to 2099) keeps you organized, while features like a mute function and 12/24-hour format add convenience. Accurate to ±15 seconds per month, it displays hour, minute, second, am/pm, year, month, date, and day, making it a stylish and functional choice for everyday use. - Case Size: 43.2 × 34.4 × 8.2mm - Weight: 25g - Materials: Resin case, bezel, and band with resin glass - Compatible Band Size: 125–180mm - Water Resistance: Water resistant - Power: Approx. 5-year battery life (CR2016) - Functions: Dual time, 1/100-second stopwatch, daily alarm, hourly time signal, 8-digit calculator - Calendar: Full auto-calendar (to 2099) - Other Features: Mute function, 12/24-hour format - Accuracy: ±15 seconds per month - Display: Hour, minute, second, am/pm, year, month, date, day