Arola AR 165

AR 165 is a shaped manually wound movement developed by Arola / Alfred Rochat & Fils. The manufacturer produces a large proportion of its components, including the movement frame, and uses some Unitas 6497 supplies, notably the gear train. The standard movement measures 37.20 by 36.20 mm and is 4.50 mm thick. AR 165 SC adds central seconds and is thicker; skeleton versions include Sun, Flower and Star. AR 165-2 S Wheel is a separately identified development with the balance at 6 o'clock.