50's SS vintage Longines military Sei Tacche 6242 4 Tropical Dial Cal.23Z RARE

From 1951 this military Longines Sei Tacche case ref. 6242 4 manual wind cal. 23z recently serviced by watchmaker, Radium tropical dial with blue hands

Case:
o    All in stainless steel fancy lugs, ref. 6242 4 ,back case and case with same serial number "465" engraved,  scracthes all over and marks
o    Fine condition with strong geometry
o    32m without crown / 40mm lug to lug / 10.5mm thickness / 16mm lug width
o    New generic plexiglass 

Movement:
o    Mechanical manual wind cal. 23Z - Serviced by watchmaker in May 2020
  (movement was disassembled, washed, lubricated) - see photo of timegrapher

Dial:
    o Lovely tropical untouched with marks and signs of age
 

Bracelet Material: 
  o New Military in leather smooth grain dark brown

Condition: 
Overall good condition, a collector piece
 

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