Panerai - Radiomir Regatta One Eighth Second Watch PAM00343

47mm brushed titanium case with removable wire loop strap attachments, see-through sapphire crystal back, black dial with luminous Arabic numerals and hour markers, automatic Panerai OP XXI calibre movement with hours, minutes, split-seconds chronograph with two counters, one with hand rotating once per second in 1/8 second increments, and calculation of boat speed (knots) based on nautical miles, approximately 42 hours of power reserve, leather strap. Water resistant to 100 meters.