1960s IWC Ref.866AD "Big Ingenieur" 37mm S.Steel Silver dial with Original bracelet

This is a silver-dial International Ref. 866AD 'Big Ingenieur' from the late 1960s. The size has been increased by just 1mm from Ref. 666 (36mm), but the case’s voluminous form gives it the presence of a 38mm watch. The Bombay dial, with its three-dimensional big indices, creates a striking and impactful appearance. It is equipped with the Cal. 8541 movement, which features a quick-set date function, offering improved convenience. The watch boasts enhanced features, including anti-magnetic properties, water resistance, and an automatic movement, making it a highly complete timepiece. It is highly recommended as a vintage watch for everyday wear. A rare original bracelet (FF1A,1/68, suitable for wrist sizes up to 19.5 cm) is included.