Lot 4177

Ca. Ø54mm, ca. 122g, 18K gold, engine turned, very rare à-goutte cabriolet pair case, the inner case is rotatably mounted in the outer case and therefore the watch can be worn as a hunting case watch or Lepine, dome inscribed chronometer, fantastic movement quality, three-quarter plate, screwed gold chatons, plate signed and numbered, pivoted detent chronometer, key winding, original Breguet ratchet gold key, extremely splendid 4-colour gold dial with Ottoman numerals and floral decoration, subsidiary seconds, also Ottoman inscribed, finest steel hands, overall in very beautiful condition, small old repair at the hinge of the outer case, engine turning still nearly untouched, in working order. Chronometer in a cabriolet case are extremely rare!