IWC INGENIEUR REF.866Brand Model Reference Year Material Diameter Thickness Caseback Dial Movement Strap Condition Origin Description IWC International Watch Co. Ingenieur 866 1968 Solid 18K yellow gold 37. 5 mm approx. 12. 5 mm Screw down Original champagne dial with applied faceted gilt baton markers, gilt baton hands with luminous inserts, date at 3 oclock IWC Caliber 8541, automatic, 25 jewels Leather, replaceable, 18 mm Excellent, unpolished case, original dial,