903 ST
c. 1979–c. 1993
Years estimated from 3 dated marketplace listings; seller-stated, unverified.
Variants
No variants documented yet.
Reference specifications
- Brand
- Sinn
- Model
- 903
- Reference
- 903 ST
- Production
- c. 1979–c. 1993
- Case diameter
- 41 mm
Specs shared by all variants. Variant pages show where a variant differs.