the world’s first automatic tourbillon wristwatch will be signed AP

Its titanium tourbillon cage remains to this day one of the smallest in the world with a diameter of 7.2 mm, as well as one of the lightest with a weight of just 0.123 grams. This model is known to timepiece enthusiasts as the Tourbillon Automatic RĂ¢, because Jacqueline Dimier’s design gave the tiny regulator … Read more