BAUME ET MERCIER "Avant-Garde". Bracelet watch in blackened steel and 18k yellow gold, round case, gold dial with two gadroons (minor pitting), date window, integrated and articulated bracelet alternating steel plate and gold gadroons, clip clasp. Quartz movement (battery change to be expected, slight traces of oxidation). Signed on the dial, back and bottom. Back number 5120.038 and 1381535. Year 1980. Case diameter: 2.6 cm - Length: 17 cm - Gross weight: 77 g The study is at your entire disposal to share its observations on the state of operation of the watches, but cannot but cannot guarantee the level of expertise of a watchmaker.