Inspired by the legendary Italian naval submarine "Nereide", this timepiece embodies the spirit of Italian engineering and craftsmanship. Design Philosophy (Da Vinci Dial) The open-worked skeleton dial draws its architectural inspiration directly from Leonardo da Vinci’s iconic Vitruvian Man. Blending art with science, the movement components are arranged according to the principles of the Golden Ratio, creating a harmonious and visually balanced appearance. The dial is protected by Italian Patent No. 102021000031718. It consists of a unique three-layer integrated construction that replaces the traditional retaining ring, allowing for a slimmer overall profile while showcasing the lightweight mechanical movement. Case Back The screw-down case back is intricately engraved with the Vitruvian Man and geometric patterns, reflecting the sophisticated design language of the Italian brand. Case Material: High-grade 316L stainless steel Finish: Brushed and polished Dimensions Diameter: 42 mm Lug-to-Lug: 49 mm Thickness: 13 mm Movement Powered by the Japanese automatic Seiko NH70A caliber, beating at 21,600 vibrations per hour and featuring 24 jewels. Power Reserve Provides up to 41 hours of autonomy without movement or winding. Crystal Scratch-resistant Sapphire Crystal with an anti-reflective coating for enhanced legibility. Water Resistance Rated to 200 meters (20 ATM), with a screw-down crown and screw-down case back for superior sealing. Luminous Material Hands and hour markers are coated with BGW9 Super-LumiNova, delivering a powerful blue glow in low-light conditions. Strap Premium Italian rubber strap designed to withstand weather and environmental conditions.