The new Top Time series marks the debut of Breitling’s automatic Caliber B31 an exclusive, ultra thin, time only movement designed for precision and performance that was four years in development. At just 4.8 mm thick and visible through the open caseback, the unique architecture of the B31 incorporates Breitling’s signature free sprung balance wheel and a skeletonized bidirectional oscillating weight with Geneva stripes and perlage finishings.

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Behind the collection, the new time only Caliber B31 represents a return to the fundamentals of watchmaking, delivering robust performance in a sleek, modern form. As the first Breitling designed and developed manufacture three hand movement, it builds on the engineering excellence established with the Breitling Manufacture Caliber 01 the industry benchmark for chronograph movements introduced in 2009.