Sinn Watch 857 UTC Testaf Leather

Sinn Watch 857 UTC Testaf Leather 857.040 LEATHER

The Sinn Watch 857 UTC Testaf Leather 857.040 LEATHER is a Swiss-made luxury pilot watch certified to TESTAF standards, ensuring professional aviation performance and reliability. Powered by the ETA 2893-2 automatic GMT movement, operating at 28,800 vibrations per hour, this high-performance instrument watch delivers precise dual time zone functionality. Built for pilots, it reflects Sinn’s dedication to engineering excellence.

The Sinn Watch 857 UTC Testaf Leather 857.040 LEATHER features a bead-blasted stainless steel case enhanced with TEGIMENT technology for superior scratch resistance. The bidirectional pilot’s bezel enables accurate interval timing, while the matte black dial ensures exceptional readability with luminous numerals, indices, and hands alongside a GMT display. Sapphire crystal with anti-reflective coating and 200 metre water resistance ensure durability.

This Swiss-made automatic GMT pilot watch is ideal for aviation professionals and enthusiasts seeking a certified instrument watch. Suitable for cockpit use and daily wear, it combines precision with rugged design. The Sinn Watch 857 UTC Testaf Leather 857.040 LEATHER delivers reliability and performance.

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
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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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