Sinn 903 St II Navigation Chronograph Bracelet Watch

Sinn 903 St II Navigation Chronograph Bracelet Watch 903.090

The Sinn 903 St II Navigation Chronograph Bracelet Watch 903.090 is a highly sophisticated aviation instrument designed for precision, functionality and timeless appeal. Inspired by classic navigation chronographs, this Sinn 903 St II features a meticulously engineered stainless steel case paired with a durable bracelet, delivering both resilience and refined style. The electroplated black dial with sunburst finish offers exceptional clarity, while luminous elements ensure optimal legibility in all lighting conditions. A defining feature of this Sinn watch is its slide rule bezel, allowing pilots and professionals to calculate time, distance and fuel consumption with ease, reinforcing its status as a true tool watch.

At the heart of the Sinn 903 St II Navigation Chronograph lies a high performance column wheel chronograph movement, delivering precision timing and a power reserve of up to 60 hours. The tri compax dial layout enhances readability, displaying chronograph functions clearly alongside standard timekeeping features. The case design reflects Sinn’s commitment to innovation, offering water resistance up to 20 bar and robust construction for demanding environments. Hybrid ceramic luminous elements provide exceptional brightness and durability, further elevating performance. Combining heritage design with modern engineering, the Sinn 903 St II Navigation Chronograph Bracelet Watch 903.090 is an essential companion for aviation professionals and watch enthusiasts alike.

Free UK Next Day Delivery
We offer free UK next day delivery on all in-stock orders over £75.

• Order before 4pm (Mon–Fri) for same day dispatch
• Delivery typically arrives next working day before 1pm
• Fully insured, tracked and signed-for service
• Priority delivery upgrades available at checkout

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We ship worldwide using trusted, fully tracked and insured courier services.

• Shipping costs calculated at checkout
• Fast international delivery options available
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• Local duties and taxes may apply upon arrival

30 Day Returns
Shop with confidence with our 30-day returns policy on most items.

• Return or exchange within 30 days of delivery
• Items must be unworn and in original condition
• 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
• Altered watch bracelets are considered customised
• Returns should be sent via insured, tracked delivery

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