AZ Creation IWC Portuguese Series IW500715 Watch.1. Exquisite transparent case back, allowing a full view of the movement. Watch dimensions: 42mm x 14mm.2. New dial design featuring power reserve display and small seconds sub-dial as standard.3. Customized version Dandong SL modified CAL.52010 movement, with a power reserve of over 90 hours. Precise and stable, with no second hand jitter, perfectly realizing all functions of the original.4. The polishing process of the case is identical to the original, achieving both beauty and a perfect fit on your wrist, showcasing the true essence of IWC. The front and back are made of sapphire crystal glass, offering unparalleled transparency. The proportions and design have been repeatedly calibrated to ensure a perfect fit with the original, delivering a fresh and elegant appearance that is truly remarkable.