The Alpina Startimer Pilot Quartz Chronograph Big Date, inspired by its heritage look and incomparable precision, comes in a 41mm case with the case back engraved with an airplane about to fly over a mountain, and the vintage version of the Alpina logo. WR to 100M. The black dial has white indexes, the date at 6 o'clock and a bicompax chronograph, ideal for calculating flight times as it is able to measure to the 10th of a second. Set on a steel bracelet. Perfect for the aviator at heart.