Alpina Startimer Pilot Chronograph Big Date

Alpina Startimer Pilot Chronograph Big Date AL-525BBG4SH6.
Founded in 1883, Alpina, famous for its signature red triangle, is a fine watchmaking manufacture based in Geneva, Switzerland with a history spanning more than 135 years.
A true pioneer of the Swiss watchmaking industry, Alpina has been the source of numerous patents and innovative calibers.
Alpina invented the concept of the Swiss sports watch as we know it today, with the creation of its legendary Alpina 4.