GIRARD PERREGAUX unusual 18k white gold ladies

GIRARD PERREGAUX unusual 18k white gold ladies wristwatch, Switzerland around 1970, manual winding, rectangular case with loop-shaped plaited front, silvered dial with applied silvered indices, rhodium plated movement calibre 504-414, 17 jewels, length approx. 17 cm, width approx. 19 mm, weight approx. 45g, overhaul recommended at buyer's expense, condition 2, from the estate of a collector