This is an exceptionally rare Chaumet 13A, crafted from 18k yellow gold, featuring a skeletonised dial framed by a factory diamond bezel. With a closer look, you'll also notice its very unique skeletonised date wheel and a hour ring disc with III-VI-IX-XII hour indices.

Its case, measuring 36mm across, has a convex shape and a sapphire crystal case back, offering a view of the intricate skeletonised automatic movement. This beautiful piece is fitted on a Chaumet leather strap and 18k gold tang buckle. Circa 1990s.