Authentic Longines DolceVita quartz watch model L5.512.6.71.0 with 18K yellow gold case, black alligator leather strap and tang clasp. Features a silver dial polished blue hands Roman hour markers minute markers inner rim one sub-dial Swiss quartz movement powered by Caliber L176 engine includes chronograph small seconds battery end of life indicator functions hour minute second rectangular shape dimensions 37mm x 23mm thickness 7.2mm sapphire crystal smooth bezel solid case back water resistant 30 meters has warranty