Sinn Navigation Chronograph 903 H4 Alligator D

Sinn Navigation Chronograph 903 H4 903.080 LEATHER

The Sinn Navigation Chronograph 903 H4 903.080 LEATHER is a Swiss-made pilot chronograph designed for professional aviation use and collector appeal. Powered by the precise Lemania 1883 hand-wound movement, operating at 21,600 vibrations per hour, this luxury watch delivers exceptional accuracy and mechanical heritage. As a classic navigation chronograph, it integrates advanced functions inspired by cockpit instrumentation.

The Sinn Navigation Chronograph 903 H4 903.080 LEATHER features a slide rule bezel with logarithmic scale for complex calculations such as fuel consumption, speed, and distance. Additional complications include a moon phase display, second time zone, hand date, and full chronograph functionality. The UV-resistant dial is equipped with luminous elements for readability, protected by sapphire crystal with anti-reflective coating. A transparent case back reveals the finely finished movement, while the leather strap enhances comfort.

This Swiss-made hand-wound pilot chronograph is ideal for aviation professionals and collectors seeking a highly technical luxury watch. Suitable for both specialist use and refined wear, it delivers precision and heritage. The Sinn Navigation Chronograph 903 H4 903.080 LEATHER stands as an icon of functionality.

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• Includes all packaging, documentation and accessories
• Sale, pre-owned or promotional items may be subject to a 14-day return period

Important Information

• Bespoke, personalised or resized items are non-returnable
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