Lot 307

Breitling for Bentley, "Flying B Chronograph", Case No. 2255921, Ref. J44365, Cal. 44B, 41 x 57 mm, circa 2008
A gentleman's extremely rare and extremely heavy (345 g!) wristwatch with chronograph and date - C.O.S.C. Chronometer - no. 15, with original box, transport carton, operating instructions and guarantee
Case: 18k white gold, screwed back with engraving, original 18k white gold bracelet with deployant clasp. Dial: mother-of-pearl, engine-turned centre, applied indexes/Roman "12", auxiliary seconds, 30 min. and 12h counter, signed, double date aperture, luminous alpha hands. Movm.: rotorwind movement, rhodium-plated, ground, finely matted chronograph steel parts, ratchet wheel, Glucydur balance, shock protection for balance.