10's vintage watch trench military ww1 Eterna manual wind

Here we have a watch that takes us back to the times of the big wars, a rare Eterna "trench" model with fixed lugs, the movement looks like it was recently cleaned with good aspect and oiled but it's gain 5/6 minutes a day, a watch that may be over 100 years old....

Case:
o   Signed Eterna  with marks and scratches serial 1791297 / 7
o   Fine condition with strong geometry
o   32mm without crown / 42mm lug to lug  / 10mm tickness /  11mm lug width
o   plexiglass with scratches, with golden washer that makes the glass rotate
o   new generic crown

Movement:
o    Mechanical manual wind - serviced in 2023 was clean and oiled but gain 5/6 minutes a day, sold in this condition (is a very old watch)

Dial & Hands:
    o  porcelain white dial and blue hands

Bracelet Material: 
  o  New 12mm black leather military, matching well
 
Conclusion / Condition: 
A rare and Interesting military 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...