70's vintage watch mens Yema chronograph valjoux 7733 BIG EYE RARE

From 70’s this rare Yema Chronograph big eye with valjoux 7733 working well...

Case:
o Metal chrome and stainless steel back ref. 311122 ( with marks/ scratches and signs of age)
o Fine condition with strong geometry
o 37mm (without crown / 20mm (between lugs) / 13.5mm (tickness) / 45mm lug to lug
o New generic crown
o Bi direction bezel with signs of age

Movement:
o Mehcanical manual wind chronograph Valjoux 7733 - serviced by watchmaker in August 2021
(movement was disassembled, washed, lubricated) 

Dial:
o With patina of age, gray and blue

Band Material:
New 20mm in black suede

Condition:
Overall good condition...

please see photos as they are part of the description.
No box or pappers, no water proof test, sold as is, any question feel free for ask...