MB&F HM9 Sapphire Vision watch
The HM9 Sapphire Vision watch fully displays the complex movement High-end watchmaker MB&F released a limited edition Horological Machine No. 9 (HM9) watch called “Sapphire Vision”, which placed the movement in a specially designed, transparent three-dimensional sapphire and precious metal case to show off the work. In 2018, MB&F added …continue reading