70s vintage watch mens Invicta crown fast beat ref 24921 green dial serviced

Case:
o All in stainless ref 24921 with minor marks
o Fine condition with strong geometry
o 36mm without crown / 39mm lug to lug / 11mm thickness / 18mm between lugs
o  Mineral crystal in good condition with minor marks

Movement:
o Mechanical automatic ETA 2790 - serviced by watchmaker in June 2026
(movement was disassembled, washed, lubricated) 
quicksetdating day (french) and date 

Dial:
o Untouched and rare green dial with circulars

Band Material:
New 18mm dark brown leather flat with generic chromed buckle 

Conclusion / Condition:
A very nice and rare model with robust case in good condition

please see photos as they are part of the description.
No box or papers, no water proof test, sold as is, any question feel free for ask...
Keep in mind that it is a vintage watch, it is normal to be 1/2 minute early or late
wrist-treasure