Chanel Boys-Friend watch H5201. 37mm stainless steel rectangular case with black-plated (tweed) bracelet and fixed bezel. Black guilloche dial featuring silver-tone hands, no markers, and a small seconds subdial. Hand-wound mechanical movement offering 42-hour power reserve. Equipped with sapphire crystal for scratch resistance and an onyx cabochon crown set. Solid case back. Water resistant to 30 meters (100 feet).