Breitling Premier B21 Chronograph Tourbillon 42 Léon Breitling

Breitling's Premier B21 Chronograph Tourbillon 42 Léon Breitling, reference RB2120211G1P1, is a chronograph in an 18k red gold case measuring 42 mm across and 15.25 mm thick. The case is fitted with a cambered sapphire crystal, glareproofed on both sides. Inside is the self-winding calibre B21, developed with La Joux-Perret, offering 55 hours of power reserve. The dial combines a tourbillon at 12 o'clock with a chronograph function and small seconds, a rare pairing for Breitling. A sapphire display back shows the movement's oscillating weight and tourbillon carriage in contrasting gold. This is a limited edition, fitted to a curved brown alligator leather strap with an 18k red gold folding clasp. The case carries a 100 metre water resistance rating.