The Swiss watchmaker MB&F is known to often incorporate science-fiction motifs into the design of its timepieces. But the sixth entry in the brand’s Horological Machine series, the MB&F Space Pirate, takes this aesthetic to new heights.

An evolution from its more angular predecessors, the Space Pirate’s titanium-alloy case features organic, rounded surfaces inspired by the biomorphism art movement. Four sapphire spheres occupy the corners of the timepiece, the lower two of which display the hours an…