Features: stainless steel case stainless steel bracelet mineral glass silver-blue dial screw lock crown chronograph function tachymeter double-lock, 1-press, 3-fold clasp 1-second stopwatch day, date display regular timekeeping, 3 dials (timekeeping second, stopwatch hours, stopwatch minutes) accuracy ±20 seconds per month fashionable retrograde dial at 9 o'clock 100m water resistant approximate size of case 51 × 49.3 × 14.1mm