Lot 35 and lot 23 are two-register Carreras from this same period both with 30-minute recorders. Lot 35 has the SN color scheme a silver-white dial with black registers. Lot 23 shows a unique style for the Carreras with elements designed for pilots Arabic numerals
link painted in lume and bright white hands with
link luminous inserts. This model was produced by Heuer for Lucht Macht Forces Aeriennes the Belgian Air Force with military issuance marks on
link the case-back dating the watch to 1970.