AR 165

Movement tonneau AR 165, Arola Alfred Rochat & Fils SA
The AR 165 Caliber was developed in our company. We produce a large proportion of component ourselves in paticulier whole cage. We use some of the parts from caliber Unitas 6497, in the partuculier gear. 
It is, therefore, a movement running at 18'000 vibrations . It is equipped with 17 jewels. 
Its dimensions are: height, is the same dimensions as a 16 1/2 " gauge,  in width it has a millimeter less, either: 
37.20 x 36.20 mm.

Technical drawing.

Mouvement tonneau AROLA AR 165