Presage-Style Seiko Mod – 40mm (NH39 Open Heart 24H Custom Build)

Experience the elegance of Japanese watchmaking with a custom-built Presage-inspired Seiko Mod. Featuring the reliable Seiko NH39 automatic movement, this model combines a beautifully crafted open-heart dial with a functional 24-hour subdial, delivering a refined mechanical aesthetic and everyday practicality.

✨ Key Features

Premium 316L Stainless Steel Case & Bracelet
Finely polished surfaces and comfortable wear for a timeless dress-watch appearance.

Reliable Japanese NH39 Automatic Movement
Powered by the Seiko NH39 automatic movement, featuring an elegant open-heart display and a dedicated 24-hour subdial for added functionality and visual depth.

Sapphire Crystal (AR-Coated)
Highly scratch-resistant crystal with anti-reflective coating for enhanced readability and lasting clarity.

Elegant 40mm Case Size
Classic proportions that provide a refined wrist presence suitable for both formal occasions and everyday wear.

Textured Presage-Inspired Open-Heart Dial
Available in a variety of cocktail-inspired, sunburst, linen, enamel-style, and textured finishes, complemented by an exposed balance wheel and integrated 24-hour indicator.

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📏 Specifications

• Case Diameter: 40 mm
• Case Thickness: ~12.5 mm
• Lug-to-Lug: ~47 mm
• Lug Width: 20 mm
• Case Material: 316L Stainless Steel
• Bracelet/Strap: Stainless Steel Bracelet or Genuine Leather Strap
• Crystal: Sapphire Crystal with Anti-Reflective Coating
• Movement: Seiko NH39 Automatic
  
• Power Reserve: ~41 Hours
• Caseback: Exhibition Display Back

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⌚ Dial & Functionality

Open-Heart Display
The NH39 showcases the movement's balance wheel through a refined open-heart aperture, highlighting the beauty of the mechanical movement.

24-Hour Subdial
A dedicated 24-hour indicator adds both functionality and a distinctive design element, allowing you to differentiate between AM and PM while enhancing the watch's sophisticated appearance.

Elegant Dauphine Hands
Classic dress-watch styling that perfectly complements the textured dial and polished case.

Display Caseback
Transparent exhibition caseback showcasing the automatic movement in action.

Multiple Dial Variants Available
Choose from cocktail-inspired textures, enamel-style finishes, sunburst dials, linen textures, and a variety of color options.

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🌟 Why Choose This Presage-Style Seiko Mod?

Designed for enthusiasts who appreciate classic Japanese watchmaking with a modern mechanical twist, this NH39 Presage-style Seiko Mod combines an elegant open-heart dial, a functional 24-hour subdial, and the dependable performance of a Seiko automatic movement. The result is a sophisticated custom-built dress watch that stands out through its craftsmanship, mechanical charm, and timeless design.