60's vintage watch mens diver plongee Flica ref. 660 40 automatic felsa 4007N

From 60s this rare Flica diver, automatic movement recently serviced... 

Case:
o   Metal with back in stainless steel with marks and scratches all over,  ref. 660 40 / 20 ATU / 200 METERS
o    Fine condition with strong geometry
o    37mm without crown / 46.6mm lug to lug  / 11.5mm tickness /  19mm lug width / 14mm thickness
o   Plexiglass in good condition
o   Rotating bezel by bidirection friction 

Movement:
o    Mechanical automatic Felsa 4007N -  serviced by watchmaker on April 2023
(movement was disassembled, washed, lubricated)

 
Dial & Hands:
    o Untouched black dial in good condition, lume preserved

Bracelet Material: 
  o New 19mm rubber tropic strap with generic chromed buckle
 
Conclusion / Condition: 
a rare diving model that does not go unnoticed nowadays..

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...