Omega rare 18k yellow gold ladies wristwatch Mailles d´Or, Switzerland around 1971, reference 8171, solid gold case including bracelet engine-turned, case lock with safety bow & safety chain, banded gold dial with raised indices, display of hours & minutes, copper coloured movement, 17 jewels, calibre 730, diameter approx. 11 mm, length approx. 16 cm, condition 2, total weight approx. 35g