The Open Heart Nautilus – Blue Dial Edition reveals the mechanical rhythm of its movement through a precision cut-out aperture. The deep blue dial adds dimension and contrast, offering a refined glimpse into the watch’s inner craftsmanship.
🛠️ Specifications • Movement: Seiko NH38 Automatic (Open Heart) • Power Reserve: Approximately 41 hours • Accuracy: -20 to +40 seconds per day • Case Material: 316L Stainless Steel • Crystal: Sapphire Glass • Case Diameter: 40mm (excluding crown) • Lug Width: 20mm • Bracelet: Stainless Steel Integrated Bracelet • Water Resistance: 5 ATM
