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Introducing the Seiko Nautilus Open Heart, a refined blend of sophistication and innovation. Crafted from premium 904L stainless steel, this exquisite timepiece is available in 39mm or 41mm sizes, ensuring a perfect fit for any wrist. The brushed 904L stainless steel bezel and crown enhance its elegant design. The striking black dial features an open heart display, revealing the intricate Seiko NH35 automatic winding movement. Steel hands and applied indices, both coated with Super Luminova C1, provide superior legibility in any light. 

The sapphire glass offers exceptional scratch resistance, while the choice of a sapphire or solid case back adds versatility. Completed with a durable 904L stainless steel strap, the Seiko Nautilus is a perfect addition to any collection, embodying the essence of a Seiko Mod.

  • Case Material: 904L stainless steel
  • Available Sizes: 39mm or 41mm
  • Crown Material: 904L stainless steel
  • Bezel: Brushed 904L stainless steel
  • Case Back Options: Sapphire or solid
  • Strap Material: 904L stainless steel
  • Glass Type: Sapphire
  • Dial Color: Black
  • Indices: Applied, featuring Super Luminova C1
  • Hands: Steel, coated with Super Luminova C1
  • Movement: Seiko NH35 automatic winding 


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