Speake-Marin SMA01

Speake-Marin's proprietary automatic caliber developed as part of the SMA movement family, first featured in the One & Two Openworked collection. Distinctive feature is the small seconds counter positioned at 1:30, creating a unique triangular visual balance between the barrel, oscillating mass, and seconds display. COSC certified for precision and reliability. The micro-rotor is integrated flush with the bridges to maintain a slim profile. Contains 171 components. The SMA01-3 variant adds a reverse wheel for bidirectional self-winding. Entirely assembled and adjusted by hand with diamond-polished black-coated gold angles and Geneva stripes on the bridges.