HEUER Calculator Herren-Chronograph Ref. 110633 mit Papieren 1981.

Heuer Calculator Men's Chronograph Ref. 11063 with papers from 1981.
Steel case with crown on the left. Two aluminum bezels for flight calculations—outer bezel rotates. Automatic movement with chronograph Cal. 12 and good working order (+10 s/d, 269° amplitude). Matte gray dial with tritium hour markers and two sub-dials. Date window at 6 o'clock. White tritium baton-style hands. Metal bracelet with folding clasp. Case in very good condition with slight signs of wear. Bracelet in good condition with signs of wear. Dial and hands in very good original condition. Spare clasp, instructions, warranty certificate from 1981 and service invoice from 2003 included. The latter was issued to the Strößenreuther Flight School, so the watch was likely delivered as a special configuration based on the references 110633 and 11633 to the then-aerobatics world champion Manfred Strößenreuther. Diameter approx. 45 mm without crown. Fits wrists up to approx. 18.5 cm.