Stainless steel case with a black rubber bracelet. Fixed stainless steel bezel with engraved tachymeter. Black dial with luminous silver-tone hands and index hour markers. Minute markers around the outer rim. Luminescent hands and markers. Day and date display appears at the 3 o'clock position. Chronograph - three sub-dials displaying: 12 hours, 30 minutes and 60 seconds. Automatic movement. Scratch resistant sapphire crystal. Push / pull steel crown. Skeleton case back. Case diameter: 47mm. Case thickness: 15 mm. Tang clasp. Water resistant at 100 meters/ 330 feet. Functions: hours, minutes, seconds, calendar, chronograph, tachymeter. Hamilton Jazzmaster Lord Hamilton Black Dial Chonograph Tachymeter Men's Watch H32816331.