The Openworked Tourbillon is powered by a manual wind movement that has been meticulously finished and decorated by Speake Marin expert watchmakers.
The SMA05 calibre is a part of the SMA proprietary movement collection and positions a strong element at 1h30: the flying tourbillon. Speake Marin is the only watchmakers who positions its tourbillon there. A stunning combination of expert craftsmanship and elegant design.