Vintage Piaget 18k Gold Men's Watch

Vintage circa 1970's Swiss made.  18k solid gold hand wind watch with Piaget cal. 9P 18 jewels movement. Movement adjusted to 5 positions.
Diameter is approx. 32 mm without crown. The watch is ultra-thin, only 5mm.  
Condition: watch is in good working order.  Watch was just cleaned and looks great.  Crown winds and sets time. 
The watch has a generic brand leather band and gold tone buckle.  No box and no papers.  Guaranteed authentic. 

More info:
18k solid Yellow gold 
Caliber 9P, 18 jewels
Adjusted to 5 positions
~32 mm diameter (without crown) 
Ultra-thin, ~5 mm case height. 
Circa 1970s. Original band - leather, black color with original buckle. The bend has a sign of wear. Buckle stamp — 750 logo P.
Piaget Dress Watch 18K Yellow Gold. All Original. The back case has Marks.