Black Casio Watch AE-1500WH-1AVEF Casio watch with durable black polyurethane case and acrylic glass. The watch is shock-resistant and swim-proof, with many useful features: Automatic calendar 12 / 24 hour format Chronograph 1 / 100 s - 24 hrs Alarm Snooze function Timer 1 / 1 - 24 hrs Two time zones Led light Diameter: 51,1 mm Material: polyurethane Glass: acrylic Colour: black Water resistance: 100 m Battery life up to 10 years Module: 3502 Casio is a Japanese manufacturer of electronic equipment, known in particular for its high-quality and durable sports watches. Casio watches have a wide range of features and are suitable for both extreme sports and active everyday life. Casio watches are also popular in army thanks to their durability and excellent value for money. See all Casio products here