Ca. Ø60mm, ca. 142g, 14K gold, engine turned, all 3 lids gold, dome marked 'CHRONOMETRE', plate also, glazed movement, very fine chronometer movement with exceptional 3/4 plate, screwed gold chatons, fine adjusting device, helical hairspring, chronometer escapement, perfectly preserved enamel dial, also marked Chronometre, golden hands, in working order and in very good condition, opening spring for the spring lid needs adjustment.