Ceramic black case, automatic movement Calibre 01 with 47 jewels and 346 parts. Sapphire crystal scratch resistant. Black calfskin leather strap with folding clasp. Bi-directional rotating ceramic bezel. Analog dial featuring Arabic numeral hour markers, minute markers on outer rim, luminescent hands for night readability. Chronograph functions controlled by pushers; three sub-dials displaying elapsed seconds (60-second), minutes (30-minute) and hours (12-hour). 70-hour power reserve at approximately 28800 vph. Water resistant to 300 meters / 1000 feet.