Breitling Premier B21 Chronograph Tourbillon 42 Limited Edition

Breitling's Premier B21 Chronograph Tourbillon 42 Limited Edition, reference RB21204A1C1P1, is a chronograph in an 18k red gold case measuring 42 mm across. The case stands 15.25 mm thick, with a lug width of 22 mm. A cambered sapphire crystal, glareproofed on both sides, covers the blue dial. Inside is the self-winding calibre B21, developed with La Joux-Perret, offering 55 hours of power reserve. The B21 combines a tourbillon with a chronograph function timed to a quarter of a second, and the movement is visible through a sapphire display back. Small seconds round out the dial layout. The alligator leather strap closes with a folding clasp in red gold, and the case carries a 100 metre water resistance rating.