Manta 1970 – Swiss Quartz movement, Chronograph displaying 12-hour, 30-minute and 60-second subdials, Main dial polished silver-tone hour and minute hands with luminous accents and polished sweep seconds, Subdials displayed by polished silver-tone hands, Main dial polished silver-tone luminescent baton hour markers, Black Arabic numbers and indices mark subdials while black indices reveal outer minute track, Analog date display at 4 under date magnifier, Notched and polished silver-tone bezel embellished with additional hour markers, Brushed and polished silver-tone stainless steel round case, Notched and polished custom crown and polished selector buttons, Stainless steel caseback, Sapphire crystal, 100 meters/330 feet water resistant