Panerai Luminor Yachts Challenge - 44mm - Black Ceramic - PAM0078844mm black ceramic case, black ceramic bezel, black dial with luminous arabic numerals and hour markers, chronograph hour counter at 3 o'clock, small seconds at 9 o'clock and central chronograph seconds and minute hands, P. 9100 calibre automatic movement with hours, minutes, small seconds, date, chronograph flyback, seconds reset, approximately 3 days of power reserve, black caoutchouc strap. Water resistant to 10 bar (~100 metres).