70's vintage watch mens Zenith respirator X AF/P automatic cal. 405 Clamshell

70's vintage watch mens Zenith respirator X AF/P automatic cal. 405 ClamshellFrom 70's this fantastic Zenith respirator automatic day and date movement, recently serviced by watchmaker Case: o Gold plated (recently restored and applied gold plating) and stainless steel back case, serial 694D892 o Fine condition with strong geometry o 33mm without crown 40mm lug to lug 10mm tickness 18mm lug width o Generic crown o New plexiglass but is cracked between 7 and 8 o'clock Movement: o Mechanical automatic high grade movement 28

From 70's this fantastic Zenith respirator automatic day and date movement, recently serviced by watchmaker... 

Case:
o   Gold plated (recently restored and applied gold plating) and stainless steel back case, serial 694D892
o   Fine condition with strong geometry
o   33mm without crown / 40mm lug to lug  / 10mm tickness /  18mm lug width
o   Generic crown
o   New plexiglass but is cracked between 7 and 8 o'clock

Movement:
o   Mechanical automatic high grade movement 28 jewels in house 36.000 BPH cal. 405 -  
this movement was exclusively produced between 1969 and 1971, marking it as a unique feature of this timepiece.

serviced by watchmaker on June 2024
(movement was disassembled, washed, lubricated) - photo of timegrapher
quick set date in the second position of the crown sometimes it doesn't work,
and day (in Italian) changes at 11:30 and the date at 1 o'clock, turning the hands in the opposite direction causes some resistance, sold in this working condition, video uploaded
 
 
Dial & Hands:
    o Untouched gray with gold indexs in good condition

Bracelet Material: 
  o New 18mm dark brown leather vintage look with generic golden buckle
 
Conclusion / Condition: 
A distinctive vintage piece, in working 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...