BAUME & MERCIER 18k yellow gold ladies wristwatch

BAUME & MERCIER 18k yellow gold ladies wristwatch, Switzerland around 1985, manual winding, octagonal case, snap on case back, fixed trellis-work bracelet, green China- lacquer dial, gilded dauphine hands, gold plated movement calibre BM 550, 17 jewels, measures approx. 23 x 23 mm, length approx. 16,5 cm, weight approx. 50g, overhaul recommended at buyer's expense, condition 2, from the estate of a collector