Mens Automatic Chronograph, Caliber 4130 movement with 72-hour power reserve, Bitting at 28800 vph. 18kt Yellow Gold case, size: 40 mm round shape. Fixed Black Ceramic bezel featuring tachymeter scale. Meteorite and black dial face displaying analog time. Features yellow gold hands and index hour markers with luminescent coating for visibility. Minute markers on the outer rim of the dial. Includes three sub-dials (60 second, 30 minute, 12 hour) to display chronograph functions alongside small seconds hand. Scratch resistant Sapphire crystal lens covers face. Screw down winding crown. Solid case back. Oysterlock clasp closure system in yellow gold finish. Water resistant up to 100 meters / 330 feet depth.