Brushed titanium case with polished bevel corners. Bi-directional rotating bezel. Polished black ceramic insert featuring a 60 seconds scale, with luminous 5 seconds interval indications. Anthracite grey dial with a fine sunray finish. Polished bronze colored hands with luminous fill Applied polished bronze colored hour markers with luminous fill. Dark grey dial flange with minutes/seconds & fractions of a second track. Small seconds sub-dial at 9 o'clock. Chronograph function: Flyback function allows instant restarting of the chronograph with a single push of a button rather than having to stop, reset & restart the stop-watch. Column wheel mechanism. Large central seconds counter hand. 30 minute counter sub-dial at 3 o'clock. Longines caliber L791.4, COSC Certified Chronometer, beats at 28,800 vph (4Hz), contains 28 jewels, features a silicon balance spring, approximate power reserve of 68 hours.