Fortis B-42 Flieger Chronograph Alarm D

Fortis B-42 Flieger Black Chronograph Alarm Chronometer 657.18.11 CROC

The Fortis B-42 Flieger Black Chronograph Alarm Chronometer 657.18.11 CROC is a high-performance Swiss luxury watch designed for professionals who demand precision, reliability, and advanced functionality. Limited to just 500 pieces, this Fortis watch is a COSC-certified chronometer, ensuring exceptional accuracy and performance under demanding conditions. As part of the iconic B-42 Flieger collection, it reflects Fortis’ heritage in aviation watchmaking.

This luxury watch is powered by the Fortis F 2001-5 automatic calibre, featuring 35 jewels, Incabloc shock protection, and a dual-barrel system for enhanced power management. It includes a mechanical alarm function, making it one of the most innovative tool watches available. The chronograph allows precise measurement of elapsed time, while the luminous hands and indices ensure optimal readability in low-light conditions. Additional features include a date display, alarm indicator, tachymeter scale, and a durable sapphire crystal with anti-reflective coating.

This Fortis luxury watch combines advanced complications with rugged durability, making it an ideal choice for pilots, professionals, and collectors seeking a sophisticated and technically advanced timepiece.

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+.