BAUME & MERCIER unusual 18k yellow gold and diamonds set...

BAUME & MERCIER unusual 18k yellow gold and diamonds set ladies wristwatch, Switzerland around 1960, manual winding, two-piece construction case signed ESZEHA, snap on case back, open up upper part lavish diamonds set, silvered dial with applied hour-indices, gilded hands, milanese-bracelet signed ESZEHA, calibre AS 1012, 17 jewels, diameter approx. 20 mm, length approx. 14,5 mm, weight approx. 33g, overhaul recommended at buyer's expense, otherwise condition 2