ZF presents its latest masterpiece: the IWC Portuguese Series IW371615 watch, a major 2019 redesign.Highlights:.1. Exquisite transparent case back, allowing full view of the movement.2. New buckle design for enhanced comfort and sophistication.3. Custom CAL.69355 movement, achieving all original functions without compromise.4. Front and back sapphire crystal glass, exceptionally clear.5. Proportions and case shape have been meticulously adjusted to ensure a perfect fit, matching the authenticity while offering a fresh and elegant appearance.