This one is a beautiful Eterna Triple Quantième Phase De Lune / Moonphase 🌝🌜 from the 1980's model 225.2125.40M with a quartz Eterna Cal. M903.
If you want to read more about the history of Eterna; here.
Below my telescope and me trying to take a picture of the full moon 🤓🔭
A nice Eterna Matic from the ca. 1960's with an automatic Eterna 17 jewels Cal. 1422UD. The dial got an impact and it gives it a pirate style ;) 🏴☠️☠️.
Specs of the Eterna Cal. 1422UD; here.