Automatic movement chronograph with analog display and tachymeter function; Stainless steel case; Black rubber strap with fold over clasp; Fixed stainless steel bezel; Silver open heart dial featuring silver-tone hands, index hour markers, minute markers, and luminescent coating for illumination; Column wheel mechanism included in the movement; Two sub-dials showing 12-hour and 30-minute elapsed times along with a small second hand; Sapphire crystal lens resistant to scratches; Screw down crown; Transparent case back allowing visibility of the automatic movement composed of approximately 282 parts containing 31 jewels capable of beating at 36,000 vph (50,000 bpm), offering an approximate power reserve of 50 hours; Round shape with a 42 mm diameter; Water resistant up to 100 meters / 330 feet depth. Luxury watch manufactured in Switzerland.