Authentic Mido Ocean Star Decompression Worldtimer men's watch with blue dial and rubber strap, stainless steel case equipped with a tang clasp, sapphire crystal scratch resistant display featuring silver tone hands and index hour markers with minute markers, automatic movement powered by the Caliber 11.5 with an 80-hour power reserve, includes date function and is water resistant to 200 meters (660 feet), round case measuring 40.5mm in diameter and 13.4mm thick, solid case back.