Chronomat B31 40 Stainless Steel - Platinum / Ice Blue / Rouleaux

The Breitling Chronomat B31 Automatic 40 PB3114101C1A1 is the stainless steel and platinum version of the 2026 Chronomat B31 Automatic 40. It has a 40mm stainless steel case with a platinum bezel, an ice-blue dial, and a stainless steel Rouleaux bracelet. The case measures 10.99mm thick and follows the revised Chronomat construction with concealed lugs and an integrated bracelet profile. The case is water resistant to 200 meters and fitted with a sapphire crystal. Its unidirectional ratcheted platinum bezel has raised rider tabs, numerals, and minute indexes. The ice-blue dial uses applied hour markers, central hands with Super-LumiNova, central seconds, and a date aperture. Inside the watch is Caliber B31, Breitling’s COSC-certified manufacture automatic movement introduced in 2025. It runs at 28,800 vibrations per hour and provides an approximate power reserve of 78 hours. This reference is fitted to a stainless steel Rouleaux bracelet with a concealed butterfly clasp and Breitling’s patented micro-adjustment system.