A classic Breitling Premier Chronograph with article number A13315351B1A1. Features include a refined yet sporty design, automatic mechanical movement ensuring precise timekeeping, Swiss movement for accuracy and reliability, sapphire crystal glass resistant to scratches, elegant polished finish on the case and bracelet, chronometer certification for superior performance, date display at 9 o'clock position, tachymeter scale for speed calculations, central second hand with chronograph function, unidirectional rotating bezel often used for timing intervals, analog subdial displaying elapsed time or additional functions, luminous markers for enhanced legibility in low light conditions, water-resistant up to 100 meters making it suitable for everyday wear including occasional splashes. and an overall robust build.