01
Fit & sizing
This item is not sold by a conventional clothing size. Select a colour or configuration above where available.
Green



The details
Verified catalogue information, practical sizing guidance and the details that help you decide.
Inspired by the legendary 1948 Mark 11 A less is more aesthetic Presented in a robust, corrosion-resistant 40mm stainless steel case High contrast green dial designed for optimum visibility Driven by the IWC-manufactured 32111 calibre movement AN UPDATED ICON The Mark XX is the successor to the legendary Mark 11, a precise amagnetic instrument watch developed in 1948 for the British Royal Air Force. This updated model reduces the design and technical functionality of a pilot's watch to its pure essence, embracing a utilitarian aesthetic driven by the IWC-manufactured calibre movement. LESS IS MORE Presented in a robust, corrosion-resistant 40mm stainless steel case, this powerful model fastens securely with a 5-link stainless steel bracelet with integrated EasX-CHANGE® system to enable effortless interchangeability. The classic green dial is equipped with high-contrast white numerals and indices, a triangular index at 12 o'clock, and rhodium-plated hands. Power and precision are provided by IWC-manufactured 32111 calibre movement, with a 120-hour power reserve. Water resistance to 10 bar (100 metres) enhances performance, while the ultra-secure front glass cannot detach even in the event of a sudden drop of pressure.
Your buying guide
Helpful context without inventing specifications the brand or supplier has not provided.
01
This item is not sold by a conventional clothing size. Select a colour or configuration above where available.
02
Follow the brand care label or product documentation. For leather, jewellery and watches, avoid prolonged moisture, heat and chemical contact.
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Complimentary UK delivery is available over £50. Eligible items can be returned within 30 days in their original, unworn condition.
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In stock in at least one listed variation. Final availability is confirmed before payment.
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