This classical chronograph from the 103 range has been equipped with various functionalities that the wearer will find exceptionally practical the watch comes with valjoux 7750 automatic calibre that performs 28 800 vibrations per hour and has 25 bearing jewels the watch is low and high pressure resistant a day and date window is positioned conveniently at the 3 o clock mark additional features include transparent case back luminous hands and markers full chronograph function and scratch r