AROLA
Alfred Rochat & Fils
The challenge of the time
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Unitas 6497
AR 165
Valjoux 7750
ETA 2892
AR 140
Marvin S Sun
Unitas 6565
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AR 165 Sc
This movement is a variant of the AR 165 caliber. It differs by the addition of a central second. It is also somewhat thicker.
Technical drawing
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