Gunmetal ion-plated stainless steel case and bracelet. Unidirectional rotating bezel with gunmetal plating. Black and grey dial featuring luminous hands, alternating Arabic numeral and index hour markers, tachymeter scale on the outer rim. Equipped with a Hattori VD57 quartz movement. Mineral crystal for scratch resistance. Date display at 4 o'clock position. Chronograph function with three sub-dials: one measures tenths of seconds, another tracks minutes up to 60, and a third indicates elapsed hours via the outer tachymeter scale which also displays analog time. Pull/push crown operation. Solid case back. Round shape measuring 45 mm in diameter and 13 mm thick. Band width is 22 mm, length approximately 9 inches (suitable for wrist size). Features fold over clasp with safety release mechanism. Water resistant to 50 meters / 165 feet. Functions include chronograph, tachymeter, date display, hour/minute/second analog reading.