The present chronograph reference 5982 was most likely sold to South America given the SUIZA designation at the very bottom of the dial. Besides its close-to-mint and all original condition, this chronograph impresses with its multi scale medical dial, featuring not only a pulsation scale (in red) but also a respiration scale (in blue). It is fitted with Longines’ in-house calibre 530 and reaches its final destination most probably via a North American agent, in view of the typical LXW stamp on the movement.The most attractive polished and textured bracelet is most certainly from the same period and enhances the perfect vintage look of this attractive Longines Chronograph.