Fortis Watch Cosmonautis Spacematic Stealth

Fortis Watch Cosmonautis Spacematic Stealth 623.18.18 L.08

The Fortis Watch Cosmonautis Spacematic Stealth 623.18.18 L.08 is a distinguished Swiss luxury watch that embodies the brand’s deep-rooted heritage in space exploration and precision engineering. As part of the iconic Cosmonautis collection, this Fortis watch has been developed in collaboration with ROSCOSMOS, reinforcing its status as a true space-proven timepiece. The Spacematic line has long been celebrated for its minimalist design, exceptional clarity, and robust construction, making it a favourite among professionals and collectors alike.

Crafted with a durable 40mm stainless steel case, this luxury watch offers the perfect balance between strength and comfort. The stealth-inspired aesthetic delivers a modern, understated look while maintaining the signature readability that defines Fortis watches. The dial is clean and highly legible, with luminous hands and indices ensuring optimal visibility in low-light environments. Powered by a reliable Swiss automatic movement, the watch guarantees precise timekeeping in even the most demanding conditions.

This Fortis luxury watch is ideal for enthusiasts who value both functionality and refined design. Combining timeless aesthetics with cutting-edge Swiss craftsmanship, the Spacematic Stealth stands as a symbol of innovation, durability, and the pioneering spirit of space exploration.

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

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+.