Adjustable Watch: Matte black case with multiple modes, Big Numbers Dial – the watch is very clear, convenient, and quick; LED displays time, seconds, day, and date; Adjustable strap easily fits various wrist sizes. The watch fits wrist circumferences from 4.5 inches to 8.2 inches. Watch Dimensions: Dial size 35mm*35mm; total watch length 25 cm; thickness 8 mm; band width 20 mm; fits most wrists. This square watch is very easy to read, making it ideal for seniors and children. Features include: Chronograph, Alarm, Dual Time, EL Backlight, 12/24 hour switch, and Countdown. 13-digit time function displays hours, minutes, seconds, months, days, and weeks. It meets your daily needs. 30M (100ft) Water Resistance: Durable and water-resistant, this classic watch is suitable for short periods of recreational swimming, but not for diving or snorkeling. Multiple Uses: Our large-face square watches come in beautiful packaging, perfect for gifts or personal use. Suitable for adults, children, men, women, and seniors. Ideal for running, sports, banquets, dancing, walking, and many other occasions.