Needs battery. Works great. The GC Guess Men's Chronograph Watch X65009G2S is a stylish and classic timepiece suitable for everyday wear. This Swiss-made watch features a black and gold tone design with a stainless steel case and a water resistance of 100 meters. With a quartz movement and analog display, this wristwatch is both reliable and sleek. The chronograph feature adds functionality to the watch, making it ideal for casual or travel occasions. Perfect for men looking for a high-quality, vintage-inspired timepiece from the Guess brand.