SINN 903 Series – Precision & Timeless Design

Discover the Sinn 903 Navigation Chronograph, a masterpiece of precision and heritage. Designed for professionals and watch enthusiasts alike, the Sinn 903 features a classic slide-rule bezel, robust stainless steel construction, and a high-precision automatic movement. Perfect for aviation, navigation, and everyday wear, this timepiece delivers both function and sophistication.

Key Features:

  • Slide-rule bezel for navigation calculations 
  • Swiss automatic movement for reliability
  • High-quality stainless steel case
  • Sapphire crystal with anti-reflective coating
  • Water-resistant for durability

Elevate your watch collection with the Sinn 903—where craftsmanship meets innovation.