Ingenieur SL Perpetual 3540
Undated1 variant
Gold Ingenieur with Kurt Klaus’s perpetual calendar on an ETA 2892-based IWC calibre and a specially designed integrated gold bracelet. Monochrome dates the SL Perpetual references 9240/9241 to 1985–87 and later variants to 1989–92.
Variants over time
Production years have not been recorded for these variants.
Variants
Reference specifications
- Brand
- IWC
- Model
- Ingenieur
- Reference
- 3540
- Category
- Sport
- Production
- Undated
- Case diameter
- 34 mm
- Movement
- Automatic
Specs shared by all variants. Variant pages show where a variant differs.