Caliber B31
{generated} Breitling Caliber B31 displayed from the caseback, revealing its mechanical movement with leather strap details.
{generated} Breitling Caliber B31 displayed from the caseback, revealing its mechanical movement with leather strap details.

THE EXCLUSIVE CALIBER B31

{generated} Breitling Calibre B31 movement shown in polished steel with visible gears and engraved details highlighting precision
{generated} Breitling Calibre B31 movement shown in polished steel with visible gears and engraved details highlighting precision

The new 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 mechanical ingenuity established with the Breitling Manufacture Caliber 01—the industry benchmark for chronograph movements, introduced in 2009.

PRECISION, POWER, AND A NEW ERA FOR BREITLING

Four years in the making, the new three-hand Caliber B31 brings enhanced reliability in a new 28 mm x 4.8 mm dimension. Its unique architecture incorporates Breitling’s instantly recognizable signature components: the free-sprung balance wheel for improved precision, and the skeletonized bidirectional oscillating weight powering the automatic movement. Engineered to impress, these features are visible through the watch’s open caseback, with elements finished in Geneva stripes and perlage.

{generated} Detailed close-up of the Breitling Calibre B31 movement highlighting precise metal components and elegant finishing work
{generated} Detailed close-up of the Breitling Calibre B31 movement highlighting precise metal components and elegant finishing work

TIME TESTED, FUTURE READY

This new automatic caliber reinforces Breitling’s reputation as a technical leader. Like all Breitling movements, the B31 is a COSC-certified chronometer, ensuring exceptional accuracy. And as a manufacture caliber, it undergoes a further 16-year aging simulation that includes 100,000 crown winds, 3,456,000 weight turns, and 60,000 shocks at 500 G, among other extreme challenges. The movement stays powered for an approximate 78 hours off the wrist and comes backed by a five-year warranty.

{generated} Detailed close-up of the Breitling Calibre B31 movement highlighting precise metal components and elegant finishing work
{generated} Detailed close-up of the Breitling Calibre B31 movement highlighting precise metal components and elegant finishing work

The introduction of the B31 is a further step in Breitling’s evolution toward exclusively offering manufacture movements—it’s a new caliber for a new era of watchmaking.

{generated} Breitling Caliber B31 movement shown in close-up as fine tools position its intricate components on the polished mechanism.
{generated} Breitling Caliber B31 movement shown in close-up as fine tools position its intricate components on the polished mechanism.
{generated} A watchmaker refines the Breitling Calibre B31 movement with precision tools, highlighting craftsmanship and intricate detail.
{generated} A watchmaker refines the Breitling Calibre B31 movement with precision tools, highlighting craftsmanship and intricate detail.
{generated} Breitling Calibre B31 rotor held by precision tweezers, showcasing the detailed metal finish of the watch movement.
{generated} Breitling Calibre B31 rotor held by precision tweezers, showcasing the detailed metal finish of the watch movement.
{generated} Hands assembling the Breitling Caliber B31 movement with precision tools on a dark workspace, highlighting fine craftsmanship
{generated} Hands assembling the Breitling Caliber B31 movement with precision tools on a dark workspace, highlighting fine craftsmanship