This men's watch is powered by a single LR44 battery, which is included in the package for convenient use. With compact dimensions of 4.61 x 1.18 x 5.2 cm, it offers a sleek and comfortable fit on the wrist. The watch features a durable stainless steel construction, ensuring long-lasting performance and a stylish appearance. It is designed and manufactured by CASIO, a reputable brand known for its quality timepieces. The item model number is EFS-S510D-1AVUEF, and it is suitable for men.