Bulgari regains the title of the world?s thinnest mechanical watch with their remarkable Octo Finissimo Ultra COSC, measuring a mere 1.70mm.

Some things need to be seen to be fully appreciated. But even though we’re not one of the very fortunate (and affluent) 20 wrists set to be graced by the new Bulgari Octo Finissimo Ultra COSC ? recently crowned the world’s thinnest mechanical and chronometer watch ? the photos of this record breaking timepiece elicit jaw-dropping disbelief.

Just like designing a microchip, the new Bulgari Octo Finissimo Ultra COSC required its designers to seek novel methods to push mechanical watchmaking to the limits. Noting watch components like dials, barrels, and bezels in normal circumstances lay claim to their own distinct layers within the watch architecture, in the case(back) of the 40mm Octo Finissimo Ultra COSC, the sum of 170 components tasked to generate the watch’s 50 hours of power reserve have been rearranged into a single horizontal plane across the back of the watch. ...