Built for land or sea, this Men's OMEGA Seamaster Diver 300 watch will meet all your needs and exceed your expectations. Designed with a 42mm stainless steel case, the watch features a black dial, an uni-directional rotating bezel complete with tachymeter scale and a helium-escape valve for use during diving. The timepiece also features luminescent markers and hands, date window at 6 o'clock, screw-down crown, scratch resistant sapphire crystal with anti-reflective treatment, and is water resistant to 300 meters. The watch secures comfortably to your wrist with a brushed stainless steel bracelet with a deployment clasp for easy release.<ul><li>42mm case</li><li>Black dial</li><li>Uni-directional rotating bezel</li><li>Tachymeter scale</li><li>Sapphire crystal</li><li>Screw-down crown</li><li>Helium-escape valve</li><li>Luminescent markers and hands</li><li>Date window</li><li> Omega 8800 calibre, self-winding automatic movement</li><li>Water resistant to 300 meters</li><li>Brushed stainless steel bracelet with deployment clasp</li><li>OMEGA Style#: O21030422001001</li></ul>