Heuer Calculator Ref. 110.633N
This extraordinary Heuer model dated from 1972 was named Calculator because of the slide rule as turning bezel. The automatic winding chronograph with Cal.Heuer / Buren 12, Ref. 110.633N has got the crown on the left side. The timepiece in very good condition has a black dial, 2 black subdials and date indicator at 6 o´clock. Unpolished, authentic condition with original stainless steel bracelet.