TERIAN – Swiss Made – NOS – ILONA LTD Acrylic Case – 1970s/80s – Mechanical

A rare New Old Stock Swiss Made ladies’ watch from the late 1970s to early 1980s, featuring the iconic ILONA LTD acrylic monobloc case – a highly collectible design used by several Swiss microbrands of the era (Terian, Mentor, Lucerne, DuBois, Helbros).

 

This piece is completely NOS and has never been worn. The amber acrylic case creates a beautiful warm glow and gives the watch its unique retro charm.

⭐ Condition

 

NOS (New Old Stock) – never worn

 

Original acrylic ILONA LTD case

 

Original dial, crown, crystal

 

Swiss mechanical movement – running well

 

New vintage-style leather strap

🔍 Specifications

 

Brand: TERIAN

 

Origin: Swiss Made 🇨🇭

 

Case: Amber acrylic monobloc, marked ILONA LTD

 

Diameter: approx. 36 mm x 10,5mm

 

Movement: Swiss mechanical hand-winding

 

Dial: Champagne tone with Arabic numerals

 

Crystal: Plexiglas

 

Lug width: 12 mm

💎 Why collectors love this piece

 

✔ Original ILONA LTD acrylic bubble case (rare!)

✔ True Swiss Made microbrand from the 70s/80s

✔ NOS condition – almost impossible to find today

✔ Warm amber glow under light → iconic retro look

✔ Fully functional Swiss mechanical movement

✔ Ideal for collectors or vintage fashion lovers