Speake-Marin revisits its iconic Openworked Hours Minutes Seconds with a new version: Openworked V3. The design is inspired by modern architecture and belongs to the One& Two collection. The grey dial is fully skeletonized to reveal the majority of the new in-house movement. Each movement carries a COSC certificate assuring its precision and reliability, accentuating the technical magnificence of this stunning calibre which is entirely assembled and adjusted by hand. LIMITED EDITION 10 pieces CASE New generation Piccadilly case in red gold 5N Front sapphire crystal treated with anti-reflective coating Case Size: 42mm Thickness: 10.5mm DIAL Openworked dial. Sun burst Geneva stripes finish Heart-shaped golden hands Hours Minutes and Seconds. Small seconds at 1:30. MOVEMENT Calibre: SMA01 Self-Winding movement with integrated micro-rotor Power reserve: 52 hours Water resistance: 3 bar (30 metres). DISCOVER BRACELET Black alligator, pin buckle in red gold 5N Hand-made, natural black alligator leather strap. REF: 424207150