Sinn Watch 903 St Leather
Availability
Discontinued
Product Description
Sinn Watch 903 St Leather 903.040 LEATHER
The Sinn Watch 903 St Leather 903.040 LEATHER is a Swiss-made luxury chronograph designed for precision, functionality, and classic pilot styling. Powered by the SW 500 automatic chronograph movement, operating at 28,800 vibrations per hour, this high-performance instrument watch delivers reliable accuracy and advanced features. Rooted in aviation heritage, it offers exceptional readability and versatility.
The Sinn Watch 903 St Leather 903.040 LEATHER features a stainless steel case paired with a refined leather strap for comfort and sophistication. The dial includes chronograph subdials and an interior rotating bezel with a logarithmic scale, providing advanced calculation capabilities. Sapphire crystal with anti-reflective coating protects the dial, while luminous hands and indices ensure optimal visibility.
This Swiss-made automatic chronograph is ideal for professionals and enthusiasts seeking a luxury pilot watch with timeless design. Suitable for both business and everyday wear, it combines precision, durability, and elegance. The Sinn Watch 903 St Leather 903.040 LEATHER delivers reliable performance.
Product Specification
SKU
SIN-402
Brand
Sinn
Supplier Model No.
903.040 Leather
Packaging
Sinn Watch Packaging
Movement
Automatic
Case Width
41mm
Case Material
Steel
Case Depth
14.5mm
Dial Colour
Black
Water Resistant
100M
Bracelet/Strap
Leather
Style
Sports
Gender
Mens
Warranty
Sinn Official 2 Year Guarantee
Type
Watches
SubCat
Instrument Chronograph
Bezel
Fixed
Delivery & Returns
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
Flexible Payment Options
Spread the cost with a range of trusted payment providers, designed to give you flexibility and complete control.
Shop Pay Instalments
• Split your purchase into 3, 6 or 12 monthly payments
• Know exactly what you’ll pay
• Quick application with no impact to your credit score
• Simple selection at checkout
Offered in partnership with Affirm and subject to status and approval.
PayPal Pay in 3
• Divide your purchase into 3 interest-free payments
• Pay the first instalment today
• Remaining payments taken automatically
• No fees when paid on time
Available on purchases between £20 and £3,000. Subject to eligibility.
Klarna
• Pay in full today
• Pay in 30 days
• Pay in 3 interest-free instalments
• Longer-term finance options available
Klarna options are subject to status. Terms and conditions apply.
Important Information
Payment options are subject to eligibility, status and terms. Missed payments may impact your financial status. UK residents only, 18+.
Authorised Dealer
Official warranty & packaging
Free UK Delivery
All orders over £75



