El Primero 20.0210.415
c. 1970–c. 1979
Years estimated from 3 dated marketplace listings; seller-stated, unverified.
Variants
No variants documented yet.
Reference specifications
- Brand
- Zenith
- Model
- El Primero
- Reference
- 20.0210.415
- Production
- c. 1970–c. 1979
- Case diameter
- 36 mm
Specs shared by all variants. Variant pages show where a variant differs.