Stainless steel case with a black rubber strap. Fixed aluminum black bezel with tachymeter scale. Black dial with silver-toned skeletonized luminous tripped hands and index hour markers. Minute markers around the outer rim. Luminescent hands and markers. Chronograph - three sub-dials displaying: seconds, 30 minutes and 6 hours. Automatic movement. Scratch resistant sapphire crystal. Skeleton case back. Case diameter: 46 mm. Case thickness: 14.7mm. Tang clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, hour, minute, second, tachymeter. Glashutte Original Sport Evolution Men's Watch 39-31-73-73-04.