Refined, reliable, and engineered to stand out — the Seiknaut Open Heart | Tiffany Blue delivers iconic integrated-bracelet styling with modern mechanical performance.

Its vibrant Tiffany blue dial features an open-heart window, showcasing the automatic movement in motion. The 41mm stainless steel case offers a clean, athletic profile, while the adjustable integrated bracelet ensures a secure and comfortable fit.

Inside, the trusted Seiko NH38 automatic movement provides smooth operation and a 41-hour power reserve, offering the perfect balance between precision and prestige.

Built for collectors who appreciate sophisticated sport design with dependable Japanese mechanics.

Specifications

• Case Size: 41mm

• Thickness: 12mm

• Case Material: 316L Stainless Steel

• Bracelet: Adjustable Integrated Stainless Steel (adjustment tool included)

• Movement: Seiko NH38 Automatic

• Power Reserve: 41 Hours

• Crystal: Scratch-Resistant Sapphire

• Luminova: Luminescent Hands & Indexes
  
  

  • In the Box

    • 1 × Modified Watch
    • Watch Box
    • Tool Kit
      
      

      All watches are assembled by hand. Please allow 3–5 business days (excluding weekends) for assembly prior to shipment. During peak periods, processing times may extend slightly.

      Disclaimer: VVS Jewelry operates independently and is not affiliated with Seiko, Omega, or any other watch brand. All components and movements are newly sourced from independent specialist suppliers