El Primero Chronograph 20.0020.400
c. 1990–c. 2000
Years estimated from 2 dated marketplace listings; seller-stated, unverified.
Variants
No variants documented yet.
Reference specifications
- Brand
- Zenith
- Model
- El Primero Chronograph
- Reference
- 20.0020.400
- Production
- c. 1990–c. 2000
- Case diameter
- 38 mm
Specs shared by all variants. Variant pages show where a variant differs.