CASE Material Black DLC steel Diameter 46 mm (excluding crowns) Thickness 17 mm Crown at 3 o’clock In position 1, it winds the movement In position 2, it sets the date In position 3, it adjusts the time Start/stop through the pression on the pusher of the crown Crown at 9 o’clock Reset to zero through pression on the pusher of the crown Glass Anti-reflective sapphire crystal on dial and case back Water-resistance 3 ATM (30 m - 100 ft) STRAP Material Customized black caoutchouc strap Clasp Folding customized clasp including a mechanism to adjust the length of the strap. DIAL Black matt opaline openworked framework on a smoked transparent disc Main time dial at 3 o’clock, black matt snailed hour track with diamond-polished applied Arabic numerals and indices with black matt SuperLuminova Black minutes indices with polished edge Open-worked hours and minutes hands with black matt SuperLuminova Small seconds with black shiny indices, luminescent hand 30 minute-counter at 12 o’clock and 12-hour counter with black matt Arabic numerals and shiny black indices, luminescent hand Seconds scale at 5-seconds intervals on the flange with shiny black numerals, central chronograph seconds hand with luminescent tip Big date display at 9 o’clock FUNCTIONS Hours, minutes off-center to 3 o’clock Small seconds at 9 o’clock Big date at 9 o’clock 12-hour and 30-minute counters Central chronograph seconds MOVEMENT Calibre Self-winding movement, calibre CYR314 Number of jewels 28 Frequency 4 Hz Vibrations per hour 28.800 Balance Wheel Annular balance wheel Power reserve 48-hour