This is a vintage Mark XI IWC Pilot watch, the most coveted of IWC’s Pilot watches. Produced beginning in 1948, the IWC Mark XI uses a hand wound caliber 89 movement. According to IWC “It was one of the very first watches to meet the demanding requirements of a professional pilot’s watch. Its movement was enclosed in a soft-iron inner case in order to shield the mechanism from magnetic fields.”

The Mark XI comes in a stainless steel case that measures 36 mm in diameter by 11 mm thick. It features an acrylic crystal with a screwed-on case back. This is a military watch, and accordingly, it is fitted with a Nato strap. The dial is black with Arabic numerals, center seconds and luminous hour and minute hands, as well as luminous markers at 12, 3, 6 and 9 o’clock – no date. An arrow shaped pilot emblem is printed just beneath the branding on the dial; it is also engraved on the movement bridge and case back.

Posted by:Jason Pitsch

Jason Pitsch is the Founder of Professional Watches. He appreciates good craftsmanship in everything from architecture to automobiles to cameras to clothing. Yet his focus for the past decade has remained consistent on covering just one type: watchmaking.