Stainless steel case, stainless steel mesh bracelet, fixed bezel. White dial features luminous silver-tone hands and index hour markers, minute markers, tachymeter scale on outer rim. Analog dial type with luminescent elements. Date display at 6 o'clock position. Chronograph functions: two black sub-dials show seconds and minutes elapsed (30-minute and 12-hour). Hamilton calibre H-31 automatic movement based on ETA 7753, includes 27 jewels, operates at 28800 vph, offers approximately 60 hours power reserve. Scratch-resistant sapphire crystal glass. Pull/push crown for operation. Solid case back. Round shape, 40 mm diameter. Band width: 20 mm. Fold-over slip-through clasp closure. Water resistant to 100 meters / 330 feet depth. Functions include chronograph, tachymeter, date, hour, minute, second indicators. Belongs to American Classic Series and is a Swiss Made sport watch.