Sinn Instrument 657 D

Sinn Instrument 657 657.010 LEATHER

The Sinn Instrument 657 657.010 LEATHER is a Swiss-made pilot watch designed for precision, durability, and enhanced functionality. Powered by the ETA 2824-2 automatic movement, this luxury instrument watch operates at 28,800 vibrations per hour with 25 jewels, ensuring reliable and accurate timekeeping. As an evolution of the 656 series, it offers increased size and improved presence while maintaining robust engineering standards.

The Sinn Instrument 657 657.010 LEATHER features a stainless steel case equipped with a captive pilot’s bezel for precise time tracking. The dial includes luminous hands and markers for optimal readability in low-light conditions, while magnetic field protection enhances reliability in demanding environments. Sapphire crystal with anti-reflective coating protects the dial, and the nickel-free case back ensures comfort. The leather strap adds a classic finishing touch.

This Swiss-made automatic pilot watch is ideal for professionals and enthusiasts seeking a reliable and functional timepiece. Suitable for aviation use and everyday wear, it combines durability with clean design. The Sinn Instrument 657 657.010 LEATHER delivers precision 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

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

• Shipping costs calculated at checkout
• Fast international delivery options available
• Secure and insured transit on all orders
• 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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• Split your purchase into 3, 6 or 12 monthly payments
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Available on purchases between £20 and £3,000. Subject to eligibility.

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• Longer-term finance options available

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Important Information

Payment options are subject to eligibility, status and terms. Missed payments may impact your financial status. UK residents only, 18+.